72811120

素因数分解:

$2^4\times 5^1\times {\mathrm{910139}}^1$

素因数の和:910152

約数の個数: 20

約数和(自身を含む): 169286040

約数和(自身を除く): 96474920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910139, 1820278, 3640556, 4550695, 7281112, 9101390, 14562224, 18202780, 36405560, 72811120]

約数ペア:

[(1, 72811120), (2, 36405560), (4, 18202780), (5, 14562224), (8, 9101390), (10, 7281112), (16, 4550695), (20, 3640556), (40, 1820278), (80, 910139)]