101288560

素因数分解:

$2^4\times 5^1\times {\mathrm{1266107}}^1$

素因数の和:1266120

約数の個数: 20

約数和(自身を含む): 235496088

約数和(自身を除く): 134207528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1266107, 2532214, 5064428, 6330535, 10128856, 12661070, 20257712, 25322140, 50644280, 101288560]

約数ペア:

[(1, 101288560), (2, 50644280), (4, 25322140), (5, 20257712), (8, 12661070), (10, 10128856), (16, 6330535), (20, 5064428), (40, 2532214), (80, 1266107)]