66684080

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1321}}^1$

素因数の和:1965

約数の個数: 40

約数和(自身を含む): 155403744

約数和(自身を除く): 88719664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 1321, 2524, 2642, 3155, 5048, 5284, 6310, 6605, 10096, 10568, 12620, 13210, 21136, 25240, 26420, 50480, 52840, 105680, 833551, 1667102, 3334204, 4167755, 6668408, 8335510, 13336816, 16671020, 33342040, 66684080]

約数ペア:

[(1, 66684080), (2, 33342040), (4, 16671020), (5, 13336816), (8, 8335510), (10, 6668408), (16, 4167755), (20, 3334204), (40, 1667102), (80, 833551), (631, 105680), (1262, 52840), (1321, 50480), (2524, 26420), (2642, 25240), (3155, 21136), (5048, 13210), (5284, 12620), (6310, 10568), (6605, 10096)]