4078880

素因数分解:

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

素因数の和:118

約数の個数: 96

約数和(自身を含む): 10859184

約数和(自身を除く): 6780304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 53, 65, 74, 80, 104, 106, 130, 148, 160, 185, 208, 212, 260, 265, 296, 370, 416, 424, 481, 520, 530, 592, 689, 740, 848, 962, 1040, 1060, 1184, 1378, 1480, 1696, 1924, 1961, 2080, 2120, 2405, 2756, 2960, 3445, 3848, 3922, 4240, 4810, 5512, 5920, 6890, 7696, 7844, 8480, 9620, 9805, 11024, 13780, 15392, 15688, 19240, 19610, 22048, 25493, 27560, 31376, 38480, 39220, 50986, 55120, 62752, 76960, 78440, 101972, 110240, 127465, 156880, 203944, 254930, 313760, 407888, 509860, 815776, 1019720, 2039440, 4078880]

約数ペア:

[(1, 4078880), (2, 2039440), (4, 1019720), (5, 815776), (8, 509860), (10, 407888), (13, 313760), (16, 254930), (20, 203944), (26, 156880), (32, 127465), (37, 110240), (40, 101972), (52, 78440), (53, 76960), (65, 62752), (74, 55120), (80, 50986), (104, 39220), (106, 38480), (130, 31376), (148, 27560), (160, 25493), (185, 22048), (208, 19610), (212, 19240), (260, 15688), (265, 15392), (296, 13780), (370, 11024), (416, 9805), (424, 9620), (481, 8480), (520, 7844), (530, 7696), (592, 6890), (689, 5920), (740, 5512), (848, 4810), (962, 4240), (1040, 3922), (1060, 3848), (1184, 3445), (1378, 2960), (1480, 2756), (1696, 2405), (1924, 2120), (1961, 2080)]