630023920

素因数分解:

$2^4\times 5^1\times {\mathrm{7875299}}^1$

素因数の和:7875312

約数の個数: 20

約数和(自身を含む): 1464805800

約数和(自身を除く): 834781880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7875299, 15750598, 31501196, 39376495, 63002392, 78752990, 126004784, 157505980, 315011960, 630023920]

約数ペア:

[(1, 630023920), (2, 315011960), (4, 157505980), (5, 126004784), (8, 78752990), (10, 63002392), (16, 39376495), (20, 31501196), (40, 15750598), (80, 7875299)]