200815540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{244897}}^1$

素因数の和:244947

約数の個数: 24

約数和(自身を含む): 432000072

約数和(自身を除く): 231184532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 244897, 489794, 979588, 1224485, 2448970, 4897940, 10040777, 20081554, 40163108, 50203885, 100407770, 200815540]

約数ペア:

[(1, 200815540), (2, 100407770), (4, 50203885), (5, 40163108), (10, 20081554), (20, 10040777), (41, 4897940), (82, 2448970), (164, 1224485), (205, 979588), (410, 489794), (820, 244897)]