64488860

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4721}}^1$

素因数の和:5413

約数の個数: 24

約数和(自身を含む): 135653616

約数和(自身を除く): 71164756

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 4721, 6830, 9442, 13660, 18884, 23605, 47210, 94420, 3224443, 6448886, 12897772, 16122215, 32244430, 64488860]

約数ペア:

[(1, 64488860), (2, 32244430), (4, 16122215), (5, 12897772), (10, 6448886), (20, 3224443), (683, 94420), (1366, 47210), (2732, 23605), (3415, 18884), (4721, 13660), (6830, 9442)]