624957580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4817}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 1416492000

約数和(自身を除く): 791534420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 998, 1996, 2495, 4817, 4990, 6487, 9634, 9980, 12974, 19268, 24085, 25948, 32435, 48170, 62621, 64870, 96340, 125242, 129740, 250484, 313105, 626210, 1252420, 2403683, 4807366, 9614732, 12018415, 24036830, 31247879, 48073660, 62495758, 124991516, 156239395, 312478790, 624957580]

約数ペア:

[(1, 624957580), (2, 312478790), (4, 156239395), (5, 124991516), (10, 62495758), (13, 48073660), (20, 31247879), (26, 24036830), (52, 12018415), (65, 9614732), (130, 4807366), (260, 2403683), (499, 1252420), (998, 626210), (1996, 313105), (2495, 250484), (4817, 129740), (4990, 125242), (6487, 96340), (9634, 64870), (9980, 62621), (12974, 48170), (19268, 32435), (24085, 25948)]