72609080

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3697}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 163747440

約数和(自身を除く): 91138360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3697, 3928, 4910, 7394, 9820, 14788, 18485, 19640, 29576, 36970, 73940, 147880, 1815227, 3630454, 7260908, 9076135, 14521816, 18152270, 36304540, 72609080]

約数ペア:

[(1, 72609080), (2, 36304540), (4, 18152270), (5, 14521816), (8, 9076135), (10, 7260908), (20, 3630454), (40, 1815227), (491, 147880), (982, 73940), (1964, 36970), (2455, 29576), (3697, 19640), (3928, 18485), (4910, 14788), (7394, 9820)]