67410520

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4003}}^1$

素因数の和:4435

約数の個数: 32

約数和(自身を含む): 152071920

約数和(自身を除く): 84661400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4003, 4210, 8006, 8420, 16012, 16840, 20015, 32024, 40030, 80060, 160120, 1685263, 3370526, 6741052, 8426315, 13482104, 16852630, 33705260, 67410520]

約数ペア:

[(1, 67410520), (2, 33705260), (4, 16852630), (5, 13482104), (8, 8426315), (10, 6741052), (20, 3370526), (40, 1685263), (421, 160120), (842, 80060), (1684, 40030), (2105, 32024), (3368, 20015), (4003, 16840), (4210, 16012), (8006, 8420)]