64539640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146681}}^1$

素因数の和:146703

約数の個数: 32

約数和(自身を含む): 158416560

約数和(自身を除く): 93876920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146681, 293362, 586724, 733405, 1173448, 1466810, 1613491, 2933620, 3226982, 5867240, 6453964, 8067455, 12907928, 16134910, 32269820, 64539640]

約数ペア:

[(1, 64539640), (2, 32269820), (4, 16134910), (5, 12907928), (8, 8067455), (10, 6453964), (11, 5867240), (20, 3226982), (22, 2933620), (40, 1613491), (44, 1466810), (55, 1173448), (88, 733405), (110, 586724), (220, 293362), (440, 146681)]