1325967560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1699}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 3029400000

約数和(自身を除く): 1703432440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 179, 218, 358, 436, 545, 716, 872, 895, 1090, 1432, 1699, 1790, 2180, 3398, 3580, 4360, 6796, 7160, 8495, 13592, 16990, 19511, 33980, 39022, 67960, 78044, 97555, 156088, 185191, 195110, 304121, 370382, 390220, 608242, 740764, 780440, 925955, 1216484, 1481528, 1520605, 1851910, 2432968, 3041210, 3703820, 6082420, 7407640, 12164840, 33149189, 66298378, 132596756, 165745945, 265193512, 331491890, 662983780, 1325967560]

約数ペア:

[(1, 1325967560), (2, 662983780), (4, 331491890), (5, 265193512), (8, 165745945), (10, 132596756), (20, 66298378), (40, 33149189), (109, 12164840), (179, 7407640), (218, 6082420), (358, 3703820), (436, 3041210), (545, 2432968), (716, 1851910), (872, 1520605), (895, 1481528), (1090, 1216484), (1432, 925955), (1699, 780440), (1790, 740764), (2180, 608242), (3398, 390220), (3580, 370382), (4360, 304121), (6796, 195110), (7160, 185191), (8495, 156088), (13592, 97555), (16990, 78044), (19511, 67960), (33980, 39022)]