12825320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10343}}^1$

素因数の和:10385

約数の個数: 32

約数和(自身を含む): 29790720

約数和(自身を除く): 16965400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10343, 20686, 41372, 51715, 82744, 103430, 206860, 320633, 413720, 641266, 1282532, 1603165, 2565064, 3206330, 6412660, 12825320]

約数ペア:

[(1, 12825320), (2, 6412660), (4, 3206330), (5, 2565064), (8, 1603165), (10, 1282532), (20, 641266), (31, 413720), (40, 320633), (62, 206860), (124, 103430), (155, 82744), (248, 51715), (310, 41372), (620, 20686), (1240, 10343)]