56433640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 133125120

約数和(自身を除く): 76691480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 641, 710, 1240, 1282, 1420, 2201, 2564, 2840, 3205, 4402, 5128, 6410, 8804, 11005, 12820, 17608, 19871, 22010, 25640, 39742, 44020, 45511, 79484, 88040, 91022, 99355, 158968, 182044, 198710, 227555, 364088, 397420, 455110, 794840, 910220, 1410841, 1820440, 2821682, 5643364, 7054205, 11286728, 14108410, 28216820, 56433640]

約数ペア:

[(1, 56433640), (2, 28216820), (4, 14108410), (5, 11286728), (8, 7054205), (10, 5643364), (20, 2821682), (31, 1820440), (40, 1410841), (62, 910220), (71, 794840), (124, 455110), (142, 397420), (155, 364088), (248, 227555), (284, 198710), (310, 182044), (355, 158968), (568, 99355), (620, 91022), (641, 88040), (710, 79484), (1240, 45511), (1282, 44020), (1420, 39742), (2201, 25640), (2564, 22010), (2840, 19871), (3205, 17608), (4402, 12820), (5128, 11005), (6410, 8804)]