25495580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 62200656

約数和(自身を除く): 36705076

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 401, 578, 748, 802, 935, 1156, 1445, 1604, 1870, 2005, 2890, 3179, 3740, 4010, 4411, 5780, 6358, 6817, 8020, 8822, 12716, 13634, 15895, 17644, 22055, 27268, 31790, 34085, 44110, 63580, 68170, 74987, 88220, 115889, 136340, 149974, 231778, 299948, 374935, 463556, 579445, 749870, 1158890, 1274779, 1499740, 2317780, 2549558, 5099116, 6373895, 12747790, 25495580]

約数ペア:

[(1, 25495580), (2, 12747790), (4, 6373895), (5, 5099116), (10, 2549558), (11, 2317780), (17, 1499740), (20, 1274779), (22, 1158890), (34, 749870), (44, 579445), (55, 463556), (68, 374935), (85, 299948), (110, 231778), (170, 149974), (187, 136340), (220, 115889), (289, 88220), (340, 74987), (374, 68170), (401, 63580), (578, 44110), (748, 34085), (802, 31790), (935, 27268), (1156, 22055), (1445, 17644), (1604, 15895), (1870, 13634), (2005, 12716), (2890, 8822), (3179, 8020), (3740, 6817), (4010, 6358), (4411, 5780)]