82876720

素因数分解:

$2^4\times 5^1\times {\mathrm{1035959}}^1$

素因数の和:1035972

約数の個数: 20

約数和(自身を含む): 192688560

約数和(自身を除く): 109811840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1035959, 2071918, 4143836, 5179795, 8287672, 10359590, 16575344, 20719180, 41438360, 82876720]

約数ペア:

[(1, 82876720), (2, 41438360), (4, 20719180), (5, 16575344), (8, 10359590), (10, 8287672), (16, 5179795), (20, 4143836), (40, 2071918), (80, 1035959)]