98156780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12239}}^1$

素因数の和:12649

約数の個数: 24

約数和(自身を含む): 206660160

約数和(自身を除く): 108503380

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 12239, 24478, 48956, 61195, 122390, 244780, 4907839, 9815678, 19631356, 24539195, 49078390, 98156780]

約数ペア:

[(1, 98156780), (2, 49078390), (4, 24539195), (5, 19631356), (10, 9815678), (20, 4907839), (401, 244780), (802, 122390), (1604, 61195), (2005, 48956), (4010, 24478), (8020, 12239)]