8214528890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{21871}}^1$

素因数の和:21995

約数の個数: 48

約数和(自身を含む): 15675399936

約数和(自身を除く): 7460871046

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 529, 710, 1058, 1633, 2645, 3266, 5290, 8165, 16330, 21871, 37559, 43742, 75118, 109355, 187795, 218710, 375590, 503033, 1006066, 1552841, 2515165, 3105682, 5030330, 7764205, 11569759, 15528410, 23139518, 35715343, 57848795, 71430686, 115697590, 178576715, 357153430, 821452889, 1642905778, 4107264445, 8214528890]

約数ペア:

[(1, 8214528890), (2, 4107264445), (5, 1642905778), (10, 821452889), (23, 357153430), (46, 178576715), (71, 115697590), (115, 71430686), (142, 57848795), (230, 35715343), (355, 23139518), (529, 15528410), (710, 11569759), (1058, 7764205), (1633, 5030330), (2645, 3105682), (3266, 2515165), (5290, 1552841), (8165, 1006066), (16330, 503033), (21871, 375590), (37559, 218710), (43742, 187795), (75118, 109355)]