66257720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22691}}^1$

素因数の和:22775

約数の個数: 32

約数和(自身を含む): 151128720

約数和(自身を除く): 84871000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22691, 45382, 90764, 113455, 181528, 226910, 453820, 907640, 1656443, 3312886, 6625772, 8282215, 13251544, 16564430, 33128860, 66257720]

約数ペア:

[(1, 66257720), (2, 33128860), (4, 16564430), (5, 13251544), (8, 8282215), (10, 6625772), (20, 3312886), (40, 1656443), (73, 907640), (146, 453820), (292, 226910), (365, 181528), (584, 113455), (730, 90764), (1460, 45382), (2920, 22691)]