65681780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14341}}^1$

素因数の和:14579

約数の個数: 24

約数和(自身を含む): 138543720

約数和(自身を除く): 72861940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 14341, 28682, 57364, 71705, 143410, 286820, 3284089, 6568178, 13136356, 16420445, 32840890, 65681780]

約数ペア:

[(1, 65681780), (2, 32840890), (4, 16420445), (5, 13136356), (10, 6568178), (20, 3284089), (229, 286820), (458, 143410), (916, 71705), (1145, 57364), (2290, 28682), (4580, 14341)]