121210160

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7691}}^1$

素因数の和:7901

約数の個数: 40

約数和(自身を含む): 283280976

約数和(自身を除く): 162070816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7691, 7880, 15382, 15760, 30764, 38455, 61528, 76910, 123056, 153820, 307640, 615280, 1515127, 3030254, 6060508, 7575635, 12121016, 15151270, 24242032, 30302540, 60605080, 121210160]

約数ペア:

[(1, 121210160), (2, 60605080), (4, 30302540), (5, 24242032), (8, 15151270), (10, 12121016), (16, 7575635), (20, 6060508), (40, 3030254), (80, 1515127), (197, 615280), (394, 307640), (788, 153820), (985, 123056), (1576, 76910), (1970, 61528), (3152, 38455), (3940, 30764), (7691, 15760), (7880, 15382)]