25007510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 28366954

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 170, 187, 215, 311, 374, 430, 473, 622, 731, 935, 946, 1462, 1555, 1870, 2365, 3110, 3421, 3655, 4730, 5287, 6842, 7310, 8041, 10574, 13373, 16082, 17105, 26435, 26746, 34210, 40205, 52870, 58157, 66865, 80410, 116314, 133730, 147103, 227341, 290785, 294206, 454682, 581570, 735515, 1136705, 1471030, 2273410, 2500751, 5001502, 12503755, 25007510]

約数ペア:

[(1, 25007510), (2, 12503755), (5, 5001502), (10, 2500751), (11, 2273410), (17, 1471030), (22, 1136705), (34, 735515), (43, 581570), (55, 454682), (85, 294206), (86, 290785), (110, 227341), (170, 147103), (187, 133730), (215, 116314), (311, 80410), (374, 66865), (430, 58157), (473, 52870), (622, 40205), (731, 34210), (935, 26746), (946, 26435), (1462, 17105), (1555, 16082), (1870, 13373), (2365, 10574), (3110, 8041), (3421, 7310), (3655, 6842), (4730, 5287)]