201887780

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{8941}}^1$

素因数の和:10079

約数の個数: 24

約数和(自身を含む): 424387320

約数和(自身を除く): 222499540

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 8941, 11290, 17882, 22580, 35764, 44705, 89410, 178820, 10094389, 20188778, 40377556, 50471945, 100943890, 201887780]

約数ペア:

[(1, 201887780), (2, 100943890), (4, 50471945), (5, 40377556), (10, 20188778), (20, 10094389), (1129, 178820), (2258, 89410), (4516, 44705), (5645, 35764), (8941, 22580), (11290, 17882)]