808520360

素因数分解:

$2^3\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{4597}}^1$

素因数の和:9005

約数の個数: 32

約数和(自身を含む): 1819980360

約数和(自身を除く): 1011460000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4397, 4597, 8794, 9194, 17588, 18388, 21985, 22985, 35176, 36776, 43970, 45970, 87940, 91940, 175880, 183880, 20213009, 40426018, 80852036, 101065045, 161704072, 202130090, 404260180, 808520360]

約数ペア:

[(1, 808520360), (2, 404260180), (4, 202130090), (5, 161704072), (8, 101065045), (10, 80852036), (20, 40426018), (40, 20213009), (4397, 183880), (4597, 175880), (8794, 91940), (9194, 87940), (17588, 45970), (18388, 43970), (21985, 36776), (22985, 35176)]