25537540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 36555260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2309, 2765, 4618, 5530, 9236, 11060, 11545, 16163, 23090, 32326, 46180, 64652, 80815, 161630, 182411, 323260, 364822, 729644, 912055, 1276877, 1824110, 2553754, 3648220, 5107508, 6384385, 12768770, 25537540]

約数ペア:

[(1, 25537540), (2, 12768770), (4, 6384385), (5, 5107508), (7, 3648220), (10, 2553754), (14, 1824110), (20, 1276877), (28, 912055), (35, 729644), (70, 364822), (79, 323260), (140, 182411), (158, 161630), (316, 80815), (395, 64652), (553, 46180), (790, 32326), (1106, 23090), (1580, 16163), (2212, 11545), (2309, 11060), (2765, 9236), (4618, 5530)]