72876560

素因数分解:

$2^4\times 5^1\times {\mathrm{910957}}^1$

素因数の和:910970

約数の個数: 20

約数和(自身を含む): 169438188

約数和(自身を除く): 96561628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910957, 1821914, 3643828, 4554785, 7287656, 9109570, 14575312, 18219140, 36438280, 72876560]

約数ペア:

[(1, 72876560), (2, 36438280), (4, 18219140), (5, 14575312), (8, 9109570), (10, 7287656), (16, 4554785), (20, 3643828), (40, 1821914), (80, 910957)]