25178220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3253}}^1$

素因数の和:3311

約数の個数: 72

約数和(自身を含む): 78174096

約数和(自身を除く): 52995876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3253, 3870, 6506, 7740, 9759, 13012, 16265, 19518, 29277, 32530, 39036, 48795, 58554, 65060, 97590, 117108, 139879, 146385, 195180, 279758, 292770, 419637, 559516, 585540, 699395, 839274, 1258911, 1398790, 1678548, 2098185, 2517822, 2797580, 4196370, 5035644, 6294555, 8392740, 12589110, 25178220]

約数ペア:

[(1, 25178220), (2, 12589110), (3, 8392740), (4, 6294555), (5, 5035644), (6, 4196370), (9, 2797580), (10, 2517822), (12, 2098185), (15, 1678548), (18, 1398790), (20, 1258911), (30, 839274), (36, 699395), (43, 585540), (45, 559516), (60, 419637), (86, 292770), (90, 279758), (129, 195180), (172, 146385), (180, 139879), (215, 117108), (258, 97590), (387, 65060), (430, 58554), (516, 48795), (645, 39036), (774, 32530), (860, 29277), (1290, 19518), (1548, 16265), (1935, 13012), (2580, 9759), (3253, 7740), (3870, 6506)]