25148440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 61896960

約数和(自身を除く): 36748520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1193, 1240, 2108, 2386, 2635, 4216, 4772, 5270, 5965, 9544, 10540, 11930, 20281, 21080, 23860, 36983, 40562, 47720, 73966, 81124, 101405, 147932, 162248, 184915, 202810, 295864, 369830, 405620, 628711, 739660, 811240, 1257422, 1479320, 2514844, 3143555, 5029688, 6287110, 12574220, 25148440]

約数ペア:

[(1, 25148440), (2, 12574220), (4, 6287110), (5, 5029688), (8, 3143555), (10, 2514844), (17, 1479320), (20, 1257422), (31, 811240), (34, 739660), (40, 628711), (62, 405620), (68, 369830), (85, 295864), (124, 202810), (136, 184915), (155, 162248), (170, 147932), (248, 101405), (310, 81124), (340, 73966), (527, 47720), (620, 40562), (680, 36983), (1054, 23860), (1193, 21080), (1240, 20281), (2108, 11930), (2386, 10540), (2635, 9544), (4216, 5965), (4772, 5270)]