72545560

素因数分解:

$2^3\times 5^1\times {\mathrm{1813639}}^1$

素因数の和:1813650

約数の個数: 16

約数和(自身を含む): 163227600

約数和(自身を除く): 90682040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1813639, 3627278, 7254556, 9068195, 14509112, 18136390, 36272780, 72545560]

約数ペア:

[(1, 72545560), (2, 36272780), (4, 18136390), (5, 14509112), (8, 9068195), (10, 7254556), (20, 3627278), (40, 1813639)]