80532676

素因数分解:

$2^2\times 7^2\times {\mathrm{641}}^2$

素因数の和:1300

約数の個数: 27

約数和(自身を含む): 164197677

約数和(自身を除く): 83665001

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 641, 1282, 2564, 4487, 8974, 17948, 31409, 62818, 125636, 410881, 821762, 1643524, 2876167, 5752334, 11504668, 20133169, 40266338, 80532676]

約数ペア:

[(1, 80532676), (2, 40266338), (4, 20133169), (7, 11504668), (14, 5752334), (28, 2876167), (49, 1643524), (98, 821762), (196, 410881), (641, 125636), (1282, 62818), (2564, 31409), (4487, 17948)]