25053665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 15588895

約数列:

[1, 5, 7, 13, 17, 35, 41, 65, 79, 85, 91, 119, 205, 221, 287, 395, 455, 533, 553, 595, 697, 1027, 1105, 1343, 1435, 1547, 2665, 2765, 3239, 3485, 3731, 4879, 5135, 6715, 7189, 7735, 9061, 9401, 16195, 17459, 18655, 22673, 24395, 35945, 42107, 45305, 47005, 55063, 63427, 87295, 113365, 122213, 210535, 275315, 294749, 317135, 385441, 611065, 715819, 1473745, 1927205, 3579095, 5010733, 25053665]

約数ペア:

[(1, 25053665), (5, 5010733), (7, 3579095), (13, 1927205), (17, 1473745), (35, 715819), (41, 611065), (65, 385441), (79, 317135), (85, 294749), (91, 275315), (119, 210535), (205, 122213), (221, 113365), (287, 87295), (395, 63427), (455, 55063), (533, 47005), (553, 45305), (595, 42107), (697, 35945), (1027, 24395), (1105, 22673), (1343, 18655), (1435, 17459), (1547, 16195), (2665, 9401), (2765, 9061), (3239, 7735), (3485, 7189), (3731, 6715), (4879, 5135)]