81792220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87013}}^1$

素因数の和:87069

約数の個数: 24

約数和(自身を含む): 175420224

約数和(自身を除く): 93628004

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 87013, 174026, 348052, 435065, 870130, 1740260, 4089611, 8179222, 16358444, 20448055, 40896110, 81792220]

約数ペア:

[(1, 81792220), (2, 40896110), (4, 20448055), (5, 16358444), (10, 8179222), (20, 4089611), (47, 1740260), (94, 870130), (188, 435065), (235, 348052), (470, 174026), (940, 87013)]