26512720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 69845976

約数和(自身を除く): 43333256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 53, 65, 74, 80, 104, 106, 130, 148, 169, 185, 208, 212, 260, 265, 296, 338, 370, 424, 481, 520, 530, 592, 676, 689, 740, 845, 848, 962, 1040, 1060, 1352, 1378, 1480, 1690, 1924, 1961, 2120, 2405, 2704, 2756, 2960, 3380, 3445, 3848, 3922, 4240, 4810, 5512, 6253, 6760, 6890, 7696, 7844, 8957, 9620, 9805, 11024, 12506, 13520, 13780, 15688, 17914, 19240, 19610, 25012, 25493, 27560, 31265, 31376, 35828, 38480, 39220, 44785, 50024, 50986, 55120, 62530, 71656, 78440, 89570, 100048, 101972, 125060, 127465, 143312, 156880, 179140, 203944, 250120, 254930, 331409, 358280, 407888, 500240, 509860, 662818, 716560, 1019720, 1325636, 1657045, 2039440, 2651272, 3314090, 5302544, 6628180, 13256360, 26512720]

約数ペア:

[(1, 26512720), (2, 13256360), (4, 6628180), (5, 5302544), (8, 3314090), (10, 2651272), (13, 2039440), (16, 1657045), (20, 1325636), (26, 1019720), (37, 716560), (40, 662818), (52, 509860), (53, 500240), (65, 407888), (74, 358280), (80, 331409), (104, 254930), (106, 250120), (130, 203944), (148, 179140), (169, 156880), (185, 143312), (208, 127465), (212, 125060), (260, 101972), (265, 100048), (296, 89570), (338, 78440), (370, 71656), (424, 62530), (481, 55120), (520, 50986), (530, 50024), (592, 44785), (676, 39220), (689, 38480), (740, 35828), (845, 31376), (848, 31265), (962, 27560), (1040, 25493), (1060, 25012), (1352, 19610), (1378, 19240), (1480, 17914), (1690, 15688), (1924, 13780), (1961, 13520), (2120, 12506), (2405, 11024), (2704, 9805), (2756, 9620), (2960, 8957), (3380, 7844), (3445, 7696), (3848, 6890), (3922, 6760), (4240, 6253), (4810, 5512)]