87459320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 214704000

約数和(自身を除く): 127244680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 2129, 3160, 4108, 4258, 5135, 8216, 8516, 10270, 10645, 17032, 20540, 21290, 27677, 41080, 42580, 55354, 85160, 110708, 138385, 168191, 221416, 276770, 336382, 553540, 672764, 840955, 1107080, 1345528, 1681910, 2186483, 3363820, 4372966, 6727640, 8745932, 10932415, 17491864, 21864830, 43729660, 87459320]

約数ペア:

[(1, 87459320), (2, 43729660), (4, 21864830), (5, 17491864), (8, 10932415), (10, 8745932), (13, 6727640), (20, 4372966), (26, 3363820), (40, 2186483), (52, 1681910), (65, 1345528), (79, 1107080), (104, 840955), (130, 672764), (158, 553540), (260, 336382), (316, 276770), (395, 221416), (520, 168191), (632, 138385), (790, 110708), (1027, 85160), (1580, 55354), (2054, 42580), (2129, 41080), (3160, 27677), (4108, 21290), (4258, 20540), (5135, 17032), (8216, 10645), (8516, 10270)]