8667880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 21369600

約数和(自身を除く): 12701720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 211, 260, 316, 395, 422, 520, 632, 790, 844, 1027, 1055, 1580, 1688, 2054, 2110, 2743, 3160, 4108, 4220, 5135, 5486, 8216, 8440, 10270, 10972, 13715, 16669, 20540, 21944, 27430, 33338, 41080, 54860, 66676, 83345, 109720, 133352, 166690, 216697, 333380, 433394, 666760, 866788, 1083485, 1733576, 2166970, 4333940, 8667880]

約数ペア:

[(1, 8667880), (2, 4333940), (4, 2166970), (5, 1733576), (8, 1083485), (10, 866788), (13, 666760), (20, 433394), (26, 333380), (40, 216697), (52, 166690), (65, 133352), (79, 109720), (104, 83345), (130, 66676), (158, 54860), (211, 41080), (260, 33338), (316, 27430), (395, 21944), (422, 20540), (520, 16669), (632, 13715), (790, 10972), (844, 10270), (1027, 8440), (1055, 8216), (1580, 5486), (1688, 5135), (2054, 4220), (2110, 4108), (2743, 3160)]