12490020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{69389}}^1$

素因数の和:69404

約数の個数: 36

約数和(自身を含む): 37886940

約数和(自身を除く): 25396920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 69389, 138778, 208167, 277556, 346945, 416334, 624501, 693890, 832668, 1040835, 1249002, 1387780, 2081670, 2498004, 3122505, 4163340, 6245010, 12490020]

約数ペア:

[(1, 12490020), (2, 6245010), (3, 4163340), (4, 3122505), (5, 2498004), (6, 2081670), (9, 1387780), (10, 1249002), (12, 1040835), (15, 832668), (18, 693890), (20, 624501), (30, 416334), (36, 346945), (45, 277556), (60, 208167), (90, 138778), (180, 69389)]