870818140

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{54631}}^1$

素因数の和:55437

約数の個数: 24

約数和(自身を含む): 1831046112

約数和(自身を除く): 960227972

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 54631, 109262, 218524, 273155, 546310, 1092620, 43540907, 87081814, 174163628, 217704535, 435409070, 870818140]

約数ペア:

[(1, 870818140), (2, 435409070), (4, 217704535), (5, 174163628), (10, 87081814), (20, 43540907), (797, 1092620), (1594, 546310), (3188, 273155), (3985, 218524), (7970, 109262), (15940, 54631)]