8784920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12919}}^1$

素因数の和:12947

約数の個数: 32

約数和(自身を含む): 20930400

約数和(自身を除く): 12145480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12919, 25838, 51676, 64595, 103352, 129190, 219623, 258380, 439246, 516760, 878492, 1098115, 1756984, 2196230, 4392460, 8784920]

約数ペア:

[(1, 8784920), (2, 4392460), (4, 2196230), (5, 1756984), (8, 1098115), (10, 878492), (17, 516760), (20, 439246), (34, 258380), (40, 219623), (68, 129190), (85, 103352), (136, 64595), (170, 51676), (340, 25838), (680, 12919)]