121491640

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{8753}}^1$

素因数の和:9111

約数の個数: 32

約数和(自身を含む): 274175280

約数和(自身を除く): 152683640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 8753, 13880, 17506, 35012, 43765, 70024, 87530, 175060, 350120, 3037291, 6074582, 12149164, 15186455, 24298328, 30372910, 60745820, 121491640]

約数ペア:

[(1, 121491640), (2, 60745820), (4, 30372910), (5, 24298328), (8, 15186455), (10, 12149164), (20, 6074582), (40, 3037291), (347, 350120), (694, 175060), (1388, 87530), (1735, 70024), (2776, 43765), (3470, 35012), (6940, 17506), (8753, 13880)]