71155120

素因数分解:

$2^4\times 5^1\times {\mathrm{889439}}^1$

素因数の和:889452

約数の個数: 20

約数和(自身を含む): 165435840

約数和(自身を除く): 94280720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889439, 1778878, 3557756, 4447195, 7115512, 8894390, 14231024, 17788780, 35577560, 71155120]

約数ペア:

[(1, 71155120), (2, 35577560), (4, 17788780), (5, 14231024), (8, 8894390), (10, 7115512), (16, 4447195), (20, 3557756), (40, 1778878), (80, 889439)]