17729125520

素因数分解:

$2^4\times 5^1\times {\mathrm{221614069}}^1$

素因数の和:221614082

約数の個数: 20

約数和(自身を含む): 41220217020

約数和(自身を除く): 23491091500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 221614069, 443228138, 886456276, 1108070345, 1772912552, 2216140690, 3545825104, 4432281380, 8864562760, 17729125520]

約数ペア:

[(1, 17729125520), (2, 8864562760), (4, 4432281380), (5, 3545825104), (8, 2216140690), (10, 1772912552), (16, 1108070345), (20, 886456276), (40, 443228138), (80, 221614069)]