64339360

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2467}}^1$

素因数の和:2645

約数の個数: 48

約数和(自身を含む): 152996256

約数和(自身を除く): 88656896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2467, 2608, 3260, 4934, 5216, 6520, 9868, 12335, 13040, 19736, 24670, 26080, 39472, 49340, 78944, 98680, 197360, 394720, 402121, 804242, 1608484, 2010605, 3216968, 4021210, 6433936, 8042420, 12867872, 16084840, 32169680, 64339360]

約数ペア:

[(1, 64339360), (2, 32169680), (4, 16084840), (5, 12867872), (8, 8042420), (10, 6433936), (16, 4021210), (20, 3216968), (32, 2010605), (40, 1608484), (80, 804242), (160, 402121), (163, 394720), (326, 197360), (652, 98680), (815, 78944), (1304, 49340), (1630, 39472), (2467, 26080), (2608, 24670), (3260, 19736), (4934, 13040), (5216, 12335), (6520, 9868)]