25385672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 55944000

約数和(自身を除く): 30558328

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 443, 494, 551, 754, 886, 988, 1102, 1508, 1772, 1976, 2204, 3016, 3544, 4408, 5759, 7163, 8417, 11518, 12847, 14326, 16834, 23036, 25694, 28652, 33668, 46072, 51388, 57304, 67336, 102776, 109421, 167011, 218842, 244093, 334022, 437684, 488186, 668044, 875368, 976372, 1336088, 1952744, 3173209, 6346418, 12692836, 25385672]

約数ペア:

[(1, 25385672), (2, 12692836), (4, 6346418), (8, 3173209), (13, 1952744), (19, 1336088), (26, 976372), (29, 875368), (38, 668044), (52, 488186), (58, 437684), (76, 334022), (104, 244093), (116, 218842), (152, 167011), (232, 109421), (247, 102776), (377, 67336), (443, 57304), (494, 51388), (551, 46072), (754, 33668), (886, 28652), (988, 25694), (1102, 23036), (1508, 16834), (1772, 14326), (1976, 12847), (2204, 11518), (3016, 8417), (3544, 7163), (4408, 5759)]