25702020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{142789}}^1$

素因数の和:142804

約数の個数: 36

約数和(自身を含む): 77963340

約数和(自身を除く): 52261320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 142789, 285578, 428367, 571156, 713945, 856734, 1285101, 1427890, 1713468, 2141835, 2570202, 2855780, 4283670, 5140404, 6425505, 8567340, 12851010, 25702020]

約数ペア:

[(1, 25702020), (2, 12851010), (3, 8567340), (4, 6425505), (5, 5140404), (6, 4283670), (9, 2855780), (10, 2570202), (12, 2141835), (15, 1713468), (18, 1427890), (20, 1285101), (30, 856734), (36, 713945), (45, 571156), (60, 428367), (90, 285578), (180, 142789)]