101690840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25171}}^1$

素因数の和:25283

約数の個数: 32

約数和(自身を含む): 231078960

約数和(自身を除く): 129388120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 25171, 50342, 100684, 125855, 201368, 251710, 503420, 1006840, 2542271, 5084542, 10169084, 12711355, 20338168, 25422710, 50845420, 101690840]

約数ペア:

[(1, 101690840), (2, 50845420), (4, 25422710), (5, 20338168), (8, 12711355), (10, 10169084), (20, 5084542), (40, 2542271), (101, 1006840), (202, 503420), (404, 251710), (505, 201368), (808, 125855), (1010, 100684), (2020, 50342), (4040, 25171)]