804911420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{398471}}^1$

素因数の和:398581

約数の個数: 24

約数和(自身を含む): 1707054048

約数和(自身を除く): 902142628

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 398471, 796942, 1593884, 1992355, 3984710, 7969420, 40245571, 80491142, 160982284, 201227855, 402455710, 804911420]

約数ペア:

[(1, 804911420), (2, 402455710), (4, 201227855), (5, 160982284), (10, 80491142), (20, 40245571), (101, 7969420), (202, 3984710), (404, 1992355), (505, 1593884), (1010, 796942), (2020, 398471)]