9975440

素因数分解:

$2^4\times 5^1\times {\mathrm{124693}}^1$

素因数の和:124706

約数の個数: 20

約数和(自身を含む): 23193084

約数和(自身を除く): 13217644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124693, 249386, 498772, 623465, 997544, 1246930, 1995088, 2493860, 4987720, 9975440]

約数ペア:

[(1, 9975440), (2, 4987720), (4, 2493860), (5, 1995088), (8, 1246930), (10, 997544), (16, 623465), (20, 498772), (40, 249386), (80, 124693)]