15861400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 37430640

約数和(自身を除く): 21569240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1117, 1420, 1775, 2234, 2840, 3550, 4468, 5585, 7100, 8936, 11170, 14200, 22340, 27925, 44680, 55850, 79307, 111700, 158614, 223400, 317228, 396535, 634456, 793070, 1586140, 1982675, 3172280, 3965350, 7930700, 15861400]

約数ペア:

[(1, 15861400), (2, 7930700), (4, 3965350), (5, 3172280), (8, 1982675), (10, 1586140), (20, 793070), (25, 634456), (40, 396535), (50, 317228), (71, 223400), (100, 158614), (142, 111700), (200, 79307), (284, 55850), (355, 44680), (568, 27925), (710, 22340), (1117, 14200), (1420, 11170), (1775, 8936), (2234, 7100), (2840, 5585), (3550, 4468)]