201375640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82531}}^1$

素因数の和:82603

約数の個数: 32

約数和(自身を含む): 460528560

約数和(自身を除く): 259152920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82531, 165062, 330124, 412655, 660248, 825310, 1650620, 3301240, 5034391, 10068782, 20137564, 25171955, 40275128, 50343910, 100687820, 201375640]

約数ペア:

[(1, 201375640), (2, 100687820), (4, 50343910), (5, 40275128), (8, 25171955), (10, 20137564), (20, 10068782), (40, 5034391), (61, 3301240), (122, 1650620), (244, 825310), (305, 660248), (488, 412655), (610, 330124), (1220, 165062), (2440, 82531)]