64939640

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2377}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 146389680

約数和(自身を除く): 81450040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2377, 2732, 3415, 4754, 5464, 6830, 9508, 11885, 13660, 19016, 23770, 27320, 47540, 95080, 1623491, 3246982, 6493964, 8117455, 12987928, 16234910, 32469820, 64939640]

約数ペア:

[(1, 64939640), (2, 32469820), (4, 16234910), (5, 12987928), (8, 8117455), (10, 6493964), (20, 3246982), (40, 1623491), (683, 95080), (1366, 47540), (2377, 27320), (2732, 23770), (3415, 19016), (4754, 13660), (5464, 11885), (6830, 9508)]