51240880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7717}}^1$

素因数の和:7813

約数の個数: 40

約数和(自身を含む): 120586032

約数和(自身を除く): 69345152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 7717, 15434, 30868, 38585, 61736, 77170, 123472, 154340, 308680, 617360, 640511, 1281022, 2562044, 3202555, 5124088, 6405110, 10248176, 12810220, 25620440, 51240880]

約数ペア:

[(1, 51240880), (2, 25620440), (4, 12810220), (5, 10248176), (8, 6405110), (10, 5124088), (16, 3202555), (20, 2562044), (40, 1281022), (80, 640511), (83, 617360), (166, 308680), (332, 154340), (415, 123472), (664, 77170), (830, 61736), (1328, 38585), (1660, 30868), (3320, 15434), (6640, 7717)]