67607080

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2557}}^1$

素因数の和:3229

約数の個数: 32

約数和(自身を含む): 152405640

約数和(自身を除く): 84798560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2557, 2644, 3305, 5114, 5288, 6610, 10228, 12785, 13220, 20456, 25570, 26440, 51140, 102280, 1690177, 3380354, 6760708, 8450885, 13521416, 16901770, 33803540, 67607080]

約数ペア:

[(1, 67607080), (2, 33803540), (4, 16901770), (5, 13521416), (8, 8450885), (10, 6760708), (20, 3380354), (40, 1690177), (661, 102280), (1322, 51140), (2557, 26440), (2644, 25570), (3305, 20456), (5114, 13220), (5288, 12785), (6610, 10228)]