64484960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13001}}^1$

素因数の和:13047

約数の個数: 48

約数和(自身を含む): 157272192

約数和(自身を除く): 92787232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 13001, 26002, 52004, 65005, 104008, 130010, 208016, 260020, 403031, 416032, 520040, 806062, 1040080, 1612124, 2015155, 2080160, 3224248, 4030310, 6448496, 8060620, 12896992, 16121240, 32242480, 64484960]

約数ペア:

[(1, 64484960), (2, 32242480), (4, 16121240), (5, 12896992), (8, 8060620), (10, 6448496), (16, 4030310), (20, 3224248), (31, 2080160), (32, 2015155), (40, 1612124), (62, 1040080), (80, 806062), (124, 520040), (155, 416032), (160, 403031), (248, 260020), (310, 208016), (496, 130010), (620, 104008), (992, 65005), (1240, 52004), (2480, 26002), (4960, 13001)]