64327940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{6977}}^1$

素因数の和:7447

約数の個数: 24

約数和(自身を含む): 135401112

約数和(自身を除く): 71073172

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 6977, 9220, 13954, 27908, 34885, 69770, 139540, 3216397, 6432794, 12865588, 16081985, 32163970, 64327940]

約数ペア:

[(1, 64327940), (2, 32163970), (4, 16081985), (5, 12865588), (10, 6432794), (20, 3216397), (461, 139540), (922, 69770), (1844, 34885), (2305, 27908), (4610, 13954), (6977, 9220)]