71478860

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{3407}}^1$

素因数の和:4465

約数の個数: 24

約数和(自身を含む): 150292800

約数和(自身を除く): 78813940

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 3407, 4196, 5245, 6814, 10490, 13628, 17035, 20980, 34070, 68140, 3573943, 7147886, 14295772, 17869715, 35739430, 71478860]

約数ペア:

[(1, 71478860), (2, 35739430), (4, 17869715), (5, 14295772), (10, 7147886), (20, 3573943), (1049, 68140), (2098, 34070), (3407, 20980), (4196, 17035), (5245, 13628), (6814, 10490)]