25967595380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{167771}}^1$

素因数の和:167960

約数の個数: 48

約数和(自身を含む): 55807678080

約数和(自身を除く): 29840082700

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1420, 2180, 7739, 15478, 30956, 38695, 77390, 154780, 167771, 335542, 671084, 838855, 1677710, 3355420, 11911741, 18287039, 23823482, 36574078, 47646964, 59558705, 73148156, 91435195, 119117410, 182870390, 238234820, 365740780, 1298379769, 2596759538, 5193519076, 6491898845, 12983797690, 25967595380]

約数ペア:

[(1, 25967595380), (2, 12983797690), (4, 6491898845), (5, 5193519076), (10, 2596759538), (20, 1298379769), (71, 365740780), (109, 238234820), (142, 182870390), (218, 119117410), (284, 91435195), (355, 73148156), (436, 59558705), (545, 47646964), (710, 36574078), (1090, 23823482), (1420, 18287039), (2180, 11911741), (7739, 3355420), (15478, 1677710), (30956, 838855), (38695, 671084), (77390, 335542), (154780, 167771)]