38944840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 97225920

約数和(自身を除く): 58281080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 1451, 2440, 2684, 2902, 3355, 5368, 5804, 6710, 7255, 11608, 13420, 14510, 15961, 26840, 29020, 31922, 58040, 63844, 79805, 88511, 127688, 159610, 177022, 319220, 354044, 442555, 638440, 708088, 885110, 973621, 1770220, 1947242, 3540440, 3894484, 4868105, 7788968, 9736210, 19472420, 38944840]

約数ペア:

[(1, 38944840), (2, 19472420), (4, 9736210), (5, 7788968), (8, 4868105), (10, 3894484), (11, 3540440), (20, 1947242), (22, 1770220), (40, 973621), (44, 885110), (55, 708088), (61, 638440), (88, 442555), (110, 354044), (122, 319220), (220, 177022), (244, 159610), (305, 127688), (440, 88511), (488, 79805), (610, 63844), (671, 58040), (1220, 31922), (1342, 29020), (1451, 26840), (2440, 15961), (2684, 14510), (2902, 13420), (3355, 11608), (5368, 7255), (5804, 6710)]