16121240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13001}}^1$

素因数の和:13043

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 21324520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13001, 26002, 52004, 65005, 104008, 130010, 260020, 403031, 520040, 806062, 1612124, 2015155, 3224248, 4030310, 8060620, 16121240]

約数ペア:

[(1, 16121240), (2, 8060620), (4, 4030310), (5, 3224248), (8, 2015155), (10, 1612124), (20, 806062), (31, 520040), (40, 403031), (62, 260020), (124, 130010), (155, 104008), (248, 65005), (310, 52004), (620, 26002), (1240, 13001)]