25931980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13367}}^1$

素因数の和:13473

約数の個数: 24

約数和(自身を含む): 55022688

約数和(自身を除く): 29090708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13367, 26734, 53468, 66835, 133670, 267340, 1296599, 2593198, 5186396, 6482995, 12965990, 25931980]

約数ペア:

[(1, 25931980), (2, 12965990), (4, 6482995), (5, 5186396), (10, 2593198), (20, 1296599), (97, 267340), (194, 133670), (388, 66835), (485, 53468), (970, 26734), (1940, 13367)]