28261460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 62146560

約数和(自身を除く): 33885100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 577, 620, 790, 1154, 1580, 2308, 2449, 2885, 4898, 5770, 9796, 11540, 12245, 17887, 24490, 35774, 45583, 48980, 71548, 89435, 91166, 178870, 182332, 227915, 357740, 455830, 911660, 1413073, 2826146, 5652292, 7065365, 14130730, 28261460]

約数ペア:

[(1, 28261460), (2, 14130730), (4, 7065365), (5, 5652292), (10, 2826146), (20, 1413073), (31, 911660), (62, 455830), (79, 357740), (124, 227915), (155, 182332), (158, 178870), (310, 91166), (316, 89435), (395, 71548), (577, 48980), (620, 45583), (790, 35774), (1154, 24490), (1580, 17887), (2308, 12245), (2449, 11540), (2885, 9796), (4898, 5770)]