84476720

素因数分解:

$2^4\times 5^1\times {\mathrm{1055959}}^1$

素因数の和:1055972

約数の個数: 20

約数和(自身を含む): 196408560

約数和(自身を除く): 111931840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1055959, 2111918, 4223836, 5279795, 8447672, 10559590, 16895344, 21119180, 42238360, 84476720]

約数ペア:

[(1, 84476720), (2, 42238360), (4, 21119180), (5, 16895344), (8, 10559590), (10, 8447672), (16, 5279795), (20, 4223836), (40, 2111918), (80, 1055959)]