25680976

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 51450080

約数和(自身を除く): 25769104

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 229, 326, 344, 458, 652, 688, 916, 1304, 1832, 2608, 3664, 7009, 9847, 14018, 19694, 28036, 37327, 39388, 56072, 74654, 78776, 112144, 149308, 157552, 298616, 597232, 1605061, 3210122, 6420244, 12840488, 25680976]

約数ペア:

[(1, 25680976), (2, 12840488), (4, 6420244), (8, 3210122), (16, 1605061), (43, 597232), (86, 298616), (163, 157552), (172, 149308), (229, 112144), (326, 78776), (344, 74654), (458, 56072), (652, 39388), (688, 37327), (916, 28036), (1304, 19694), (1832, 14018), (2608, 9847), (3664, 7009)]