12912108940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37976791}}^1$

素因数の和:37976817

約数の個数: 24

約数和(自身を含む): 28710454752

約数和(自身を除く): 15798345812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37976791, 75953582, 151907164, 189883955, 379767910, 645605447, 759535820, 1291210894, 2582421788, 3228027235, 6456054470, 12912108940]

約数ペア:

[(1, 12912108940), (2, 6456054470), (4, 3228027235), (5, 2582421788), (10, 1291210894), (17, 759535820), (20, 645605447), (34, 379767910), (68, 189883955), (85, 151907164), (170, 75953582), (340, 37976791)]