25091960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 34178440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 223, 232, 290, 388, 446, 485, 580, 776, 892, 970, 1115, 1160, 1784, 1940, 2230, 2813, 3880, 4460, 5626, 6467, 8920, 11252, 12934, 14065, 21631, 22504, 25868, 28130, 32335, 43262, 51736, 56260, 64670, 86524, 108155, 112520, 129340, 173048, 216310, 258680, 432620, 627299, 865240, 1254598, 2509196, 3136495, 5018392, 6272990, 12545980, 25091960]

約数ペア:

[(1, 25091960), (2, 12545980), (4, 6272990), (5, 5018392), (8, 3136495), (10, 2509196), (20, 1254598), (29, 865240), (40, 627299), (58, 432620), (97, 258680), (116, 216310), (145, 173048), (194, 129340), (223, 112520), (232, 108155), (290, 86524), (388, 64670), (446, 56260), (485, 51736), (580, 43262), (776, 32335), (892, 28130), (970, 25868), (1115, 22504), (1160, 21631), (1784, 14065), (1940, 12934), (2230, 11252), (2813, 8920), (3880, 6467), (4460, 5626)]