64531120

素因数分解:

$2^4\times 5^1\times {\mathrm{806639}}^1$

素因数の和:806652

約数の個数: 20

約数和(自身を含む): 150035040

約数和(自身を除く): 85503920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 806639, 1613278, 3226556, 4033195, 6453112, 8066390, 12906224, 16132780, 32265560, 64531120]

約数ペア:

[(1, 64531120), (2, 32265560), (4, 16132780), (5, 12906224), (8, 8066390), (10, 6453112), (16, 4033195), (20, 3226556), (40, 1613278), (80, 806639)]