129627140

素因数分解:

$2^2\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{2713}}^1$

素因数の和:5111

約数の個数: 24

約数和(自身を含む): 272431320

約数和(自身を除く): 142804180

約数列:

[1, 2, 4, 5, 10, 20, 2389, 2713, 4778, 5426, 9556, 10852, 11945, 13565, 23890, 27130, 47780, 54260, 6481357, 12962714, 25925428, 32406785, 64813570, 129627140]

約数ペア:

[(1, 129627140), (2, 64813570), (4, 32406785), (5, 25925428), (10, 12962714), (20, 6481357), (2389, 54260), (2713, 47780), (4778, 27130), (5426, 23890), (9556, 13565), (10852, 11945)]