25828020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{143489}}^1$

素因数の和:143504

約数の個数: 36

約数和(自身を含む): 78345540

約数和(自身を除く): 52517520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 143489, 286978, 430467, 573956, 717445, 860934, 1291401, 1434890, 1721868, 2152335, 2582802, 2869780, 4304670, 5165604, 6457005, 8609340, 12914010, 25828020]

約数ペア:

[(1, 25828020), (2, 12914010), (3, 8609340), (4, 6457005), (5, 5165604), (6, 4304670), (9, 2869780), (10, 2582802), (12, 2152335), (15, 1721868), (18, 1434890), (20, 1291401), (30, 860934), (36, 717445), (45, 573956), (60, 430467), (90, 286978), (180, 143489)]