25670140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 58101120

約数和(自身を除く): 32430980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1571, 1634, 3142, 3268, 4085, 6284, 7855, 8170, 15710, 16340, 29849, 31420, 59698, 67553, 119396, 135106, 149245, 270212, 298490, 337765, 596980, 675530, 1283507, 1351060, 2567014, 5134028, 6417535, 12835070, 25670140]

約数ペア:

[(1, 25670140), (2, 12835070), (4, 6417535), (5, 5134028), (10, 2567014), (19, 1351060), (20, 1283507), (38, 675530), (43, 596980), (76, 337765), (86, 298490), (95, 270212), (172, 149245), (190, 135106), (215, 119396), (380, 67553), (430, 59698), (817, 31420), (860, 29849), (1571, 16340), (1634, 15710), (3142, 8170), (3268, 7855), (4085, 6284)]