201645885520

素因数分解:

$2^4\times 5^1\times {\mathrm{2520573569}}^1$

素因数の和:2520573582

約数の個数: 20

約数和(自身を含む): 468826684020

約数和(自身を除く): 267180798500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520573569, 5041147138, 10082294276, 12602867845, 20164588552, 25205735690, 40329177104, 50411471380, 100822942760, 201645885520]

約数ペア:

[(1, 201645885520), (2, 100822942760), (4, 50411471380), (5, 40329177104), (8, 25205735690), (10, 20164588552), (16, 12602867845), (20, 10082294276), (40, 5041147138), (80, 2520573569)]