4640180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12211}}^1$

素因数の和:12239

約数の個数: 24

約数和(自身を含む): 10258080

約数和(自身を除く): 5617900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 12211, 24422, 48844, 61055, 122110, 232009, 244220, 464018, 928036, 1160045, 2320090, 4640180]

約数ペア:

[(1, 4640180), (2, 2320090), (4, 1160045), (5, 928036), (10, 464018), (19, 244220), (20, 232009), (38, 122110), (76, 61055), (95, 48844), (190, 24422), (380, 12211)]