64168460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{43951}}^1$

素因数の和:44033

約数の個数: 24

約数和(自身を含む): 136602816

約数和(自身を除く): 72434356

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 43951, 87902, 175804, 219755, 439510, 879020, 3208423, 6416846, 12833692, 16042115, 32084230, 64168460]

約数ペア:

[(1, 64168460), (2, 32084230), (4, 16042115), (5, 12833692), (10, 6416846), (20, 3208423), (73, 879020), (146, 439510), (292, 219755), (365, 175804), (730, 87902), (1460, 43951)]