2560985440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1881

約数の個数: 144

約数和(自身を含む): 6678888048

約数和(自身を除く): 4117902608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 169, 208, 212, 260, 265, 338, 416, 424, 520, 530, 676, 689, 845, 848, 1040, 1060, 1352, 1378, 1690, 1696, 1787, 2080, 2120, 2704, 2756, 3380, 3445, 3574, 4240, 5408, 5512, 6760, 6890, 7148, 8480, 8935, 8957, 11024, 13520, 13780, 14296, 17870, 17914, 22048, 23231, 27040, 27560, 28592, 35740, 35828, 44785, 46462, 55120, 57184, 71480, 71656, 89570, 92924, 94711, 110240, 116155, 142960, 143312, 179140, 185848, 189422, 232310, 285920, 286624, 302003, 358280, 371696, 378844, 464620, 473555, 604006, 716560, 743392, 757688, 929240, 947110, 1208012, 1231243, 1433120, 1510015, 1515376, 1858480, 1894220, 2416024, 2462486, 3020030, 3030752, 3716960, 3788440, 4832048, 4924972, 6040060, 6156215, 7576880, 9664096, 9849944, 12080120, 12312430, 15153760, 16006159, 19699888, 24160240, 24624860, 32012318, 39399776, 48320480, 49249720, 64024636, 80030795, 98499440, 128049272, 160061590, 196998880, 256098544, 320123180, 512197088, 640246360, 1280492720, 2560985440]

約数ペア:

[(1, 2560985440), (2, 1280492720), (4, 640246360), (5, 512197088), (8, 320123180), (10, 256098544), (13, 196998880), (16, 160061590), (20, 128049272), (26, 98499440), (32, 80030795), (40, 64024636), (52, 49249720), (53, 48320480), (65, 39399776), (80, 32012318), (104, 24624860), (106, 24160240), (130, 19699888), (160, 16006159), (169, 15153760), (208, 12312430), (212, 12080120), (260, 9849944), (265, 9664096), (338, 7576880), (416, 6156215), (424, 6040060), (520, 4924972), (530, 4832048), (676, 3788440), (689, 3716960), (845, 3030752), (848, 3020030), (1040, 2462486), (1060, 2416024), (1352, 1894220), (1378, 1858480), (1690, 1515376), (1696, 1510015), (1787, 1433120), (2080, 1231243), (2120, 1208012), (2704, 947110), (2756, 929240), (3380, 757688), (3445, 743392), (3574, 716560), (4240, 604006), (5408, 473555), (5512, 464620), (6760, 378844), (6890, 371696), (7148, 358280), (8480, 302003), (8935, 286624), (8957, 285920), (11024, 232310), (13520, 189422), (13780, 185848), (14296, 179140), (17870, 143312), (17914, 142960), (22048, 116155), (23231, 110240), (27040, 94711), (27560, 92924), (28592, 89570), (35740, 71656), (35828, 71480), (44785, 57184), (46462, 55120)]