64603960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12329}}^1$

素因数の和:12471

約数の個数: 32

約数和(自身を含む): 146480400

約数和(自身を除く): 81876440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 12329, 24658, 49316, 61645, 98632, 123290, 246580, 493160, 1615099, 3230198, 6460396, 8075495, 12920792, 16150990, 32301980, 64603960]

約数ペア:

[(1, 64603960), (2, 32301980), (4, 16150990), (5, 12920792), (8, 8075495), (10, 6460396), (20, 3230198), (40, 1615099), (131, 493160), (262, 246580), (524, 123290), (655, 98632), (1048, 61645), (1310, 49316), (2620, 24658), (5240, 12329)]