25415312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 57288000

約数和(自身を除く): 31872688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 59, 76, 104, 109, 118, 152, 208, 218, 236, 247, 304, 436, 472, 494, 767, 872, 944, 988, 1121, 1417, 1534, 1744, 1976, 2071, 2242, 2834, 3068, 3952, 4142, 4484, 5668, 6136, 6431, 8284, 8968, 11336, 12272, 12862, 14573, 16568, 17936, 22672, 25724, 26923, 29146, 33136, 51448, 53846, 58292, 83603, 102896, 107692, 116584, 122189, 167206, 215384, 233168, 244378, 334412, 430768, 488756, 668824, 977512, 1337648, 1588457, 1955024, 3176914, 6353828, 12707656, 25415312]

約数ペア:

[(1, 25415312), (2, 12707656), (4, 6353828), (8, 3176914), (13, 1955024), (16, 1588457), (19, 1337648), (26, 977512), (38, 668824), (52, 488756), (59, 430768), (76, 334412), (104, 244378), (109, 233168), (118, 215384), (152, 167206), (208, 122189), (218, 116584), (236, 107692), (247, 102896), (304, 83603), (436, 58292), (472, 53846), (494, 51448), (767, 33136), (872, 29146), (944, 26923), (988, 25724), (1121, 22672), (1417, 17936), (1534, 16568), (1744, 14573), (1976, 12862), (2071, 12272), (2242, 11336), (2834, 8968), (3068, 8284), (3952, 6431), (4142, 6136), (4484, 5668)]