51783280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8867}}^1$

素因数の和:8953

約数の個数: 40

約数和(自身を含む): 122059152

約数和(自身を除く): 70275872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 8867, 17734, 35468, 44335, 70936, 88670, 141872, 177340, 354680, 647291, 709360, 1294582, 2589164, 3236455, 5178328, 6472910, 10356656, 12945820, 25891640, 51783280]

約数ペア:

[(1, 51783280), (2, 25891640), (4, 12945820), (5, 10356656), (8, 6472910), (10, 5178328), (16, 3236455), (20, 2589164), (40, 1294582), (73, 709360), (80, 647291), (146, 354680), (292, 177340), (365, 141872), (584, 88670), (730, 70936), (1168, 44335), (1460, 35468), (2920, 17734), (5840, 8867)]