8072840

素因数分解:

$2^3\times 5^1\times {\mathrm{201821}}^1$

素因数の和:201832

約数の個数: 16

約数和(自身を含む): 18163980

約数和(自身を除く): 10091140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 201821, 403642, 807284, 1009105, 1614568, 2018210, 4036420, 8072840]

約数ペア:

[(1, 8072840), (2, 4036420), (4, 2018210), (5, 1614568), (8, 1009105), (10, 807284), (20, 403642), (40, 201821)]