4381000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 11072880

約数和(自身を除く): 6691880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 337, 500, 520, 650, 674, 1000, 1300, 1348, 1625, 1685, 2600, 2696, 3250, 3370, 4381, 6500, 6740, 8425, 8762, 13000, 13480, 16850, 17524, 21905, 33700, 35048, 42125, 43810, 67400, 84250, 87620, 109525, 168500, 175240, 219050, 337000, 438100, 547625, 876200, 1095250, 2190500, 4381000]

約数ペア:

[(1, 4381000), (2, 2190500), (4, 1095250), (5, 876200), (8, 547625), (10, 438100), (13, 337000), (20, 219050), (25, 175240), (26, 168500), (40, 109525), (50, 87620), (52, 84250), (65, 67400), (100, 43810), (104, 42125), (125, 35048), (130, 33700), (200, 21905), (250, 17524), (260, 16850), (325, 13480), (337, 13000), (500, 8762), (520, 8425), (650, 6740), (674, 6500), (1000, 4381), (1300, 3370), (1348, 3250), (1625, 2696), (1685, 2600)]