26131020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{887}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 73398528

約数和(自身を除く): 47267508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 887, 982, 1473, 1774, 1964, 2455, 2661, 2946, 3548, 4435, 4910, 5322, 5892, 7365, 8870, 9820, 10644, 13305, 14730, 17740, 26610, 29460, 53220, 435517, 871034, 1306551, 1742068, 2177585, 2613102, 4355170, 5226204, 6532755, 8710340, 13065510, 26131020]

約数ペア:

[(1, 26131020), (2, 13065510), (3, 8710340), (4, 6532755), (5, 5226204), (6, 4355170), (10, 2613102), (12, 2177585), (15, 1742068), (20, 1306551), (30, 871034), (60, 435517), (491, 53220), (887, 29460), (982, 26610), (1473, 17740), (1774, 14730), (1964, 13305), (2455, 10644), (2661, 9820), (2946, 8870), (3548, 7365), (4435, 5892), (4910, 5322)]