25559660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2311}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 62146560

約数和(自身を除く): 36586900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2311, 2765, 4622, 5530, 9244, 11060, 11555, 16177, 23110, 32354, 46220, 64708, 80885, 161770, 182569, 323540, 365138, 730276, 912845, 1277983, 1825690, 2555966, 3651380, 5111932, 6389915, 12779830, 25559660]

約数ペア:

[(1, 25559660), (2, 12779830), (4, 6389915), (5, 5111932), (7, 3651380), (10, 2555966), (14, 1825690), (20, 1277983), (28, 912845), (35, 730276), (70, 365138), (79, 323540), (140, 182569), (158, 161770), (316, 80885), (395, 64708), (553, 46220), (790, 32354), (1106, 23110), (1580, 16177), (2212, 11555), (2311, 11060), (2765, 9244), (4622, 5530)]