1985784440

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{213067}}^1$

素因数の和:213311

約数の個数: 32

約数和(自身を含む): 4487212080

約数和(自身を除く): 2501427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 213067, 426134, 852268, 1065335, 1704536, 2130670, 4261340, 8522680, 49644611, 99289222, 198578444, 248223055, 397156888, 496446110, 992892220, 1985784440]

約数ペア:

[(1, 1985784440), (2, 992892220), (4, 496446110), (5, 397156888), (8, 248223055), (10, 198578444), (20, 99289222), (40, 49644611), (233, 8522680), (466, 4261340), (932, 2130670), (1165, 1704536), (1864, 1065335), (2330, 852268), (4660, 426134), (9320, 213067)]