64462280

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2273}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 145308600

約数和(自身を除く): 80846320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2273, 2836, 3545, 4546, 5672, 7090, 9092, 11365, 14180, 18184, 22730, 28360, 45460, 90920, 1611557, 3223114, 6446228, 8057785, 12892456, 16115570, 32231140, 64462280]

約数ペア:

[(1, 64462280), (2, 32231140), (4, 16115570), (5, 12892456), (8, 8057785), (10, 6446228), (20, 3223114), (40, 1611557), (709, 90920), (1418, 45460), (2273, 28360), (2836, 22730), (3545, 18184), (4546, 14180), (5672, 11365), (7090, 9092)]