64289560

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12269}}^1$

素因数の和:12411

約数の個数: 32

約数和(自身を含む): 145767600

約数和(自身を除く): 81478040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 12269, 24538, 49076, 61345, 98152, 122690, 245380, 490760, 1607239, 3214478, 6428956, 8036195, 12857912, 16072390, 32144780, 64289560]

約数ペア:

[(1, 64289560), (2, 32144780), (4, 16072390), (5, 12857912), (8, 8036195), (10, 6428956), (20, 3214478), (40, 1607239), (131, 490760), (262, 245380), (524, 122690), (655, 98152), (1048, 61345), (1310, 49076), (2620, 24538), (5240, 12269)]