51342640

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2663}}^1$

素因数の和:2917

約数の個数: 40

約数和(自身を含む): 119911968

約数和(自身を除く): 68569328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 2663, 3856, 4820, 5326, 9640, 10652, 13315, 19280, 21304, 26630, 42608, 53260, 106520, 213040, 641783, 1283566, 2567132, 3208915, 5134264, 6417830, 10268528, 12835660, 25671320, 51342640]

約数ペア:

[(1, 51342640), (2, 25671320), (4, 12835660), (5, 10268528), (8, 6417830), (10, 5134264), (16, 3208915), (20, 2567132), (40, 1283566), (80, 641783), (241, 213040), (482, 106520), (964, 53260), (1205, 42608), (1928, 26630), (2410, 21304), (2663, 19280), (3856, 13315), (4820, 10652), (5326, 9640)]