15798940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19267}}^1$

素因数の和:19317

約数の個数: 24

約数和(自身を含む): 33988752

約数和(自身を除く): 18189812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19267, 38534, 77068, 96335, 192670, 385340, 789947, 1579894, 3159788, 3949735, 7899470, 15798940]

約数ペア:

[(1, 15798940), (2, 7899470), (4, 3949735), (5, 3159788), (10, 1579894), (20, 789947), (41, 385340), (82, 192670), (164, 96335), (205, 77068), (410, 38534), (820, 19267)]