766196680

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{19727}}^1$

素因数の和:20709

約数の個数: 32

約数和(自身を含む): 1725805440

約数和(自身を除く): 959608760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 19727, 38840, 39454, 78908, 98635, 157816, 197270, 394540, 789080, 19154917, 38309834, 76619668, 95774585, 153239336, 191549170, 383098340, 766196680]

約数ペア:

[(1, 766196680), (2, 383098340), (4, 191549170), (5, 153239336), (8, 95774585), (10, 76619668), (20, 38309834), (40, 19154917), (971, 789080), (1942, 394540), (3884, 197270), (4855, 157816), (7768, 98635), (9710, 78908), (19420, 39454), (19727, 38840)]