12403000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 29577600

約数和(自身を除く): 17174600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 157, 158, 200, 250, 314, 316, 395, 500, 628, 632, 785, 790, 1000, 1256, 1570, 1580, 1975, 3140, 3160, 3925, 3950, 6280, 7850, 7900, 9875, 12403, 15700, 15800, 19625, 19750, 24806, 31400, 39250, 39500, 49612, 62015, 78500, 79000, 99224, 124030, 157000, 248060, 310075, 496120, 620150, 1240300, 1550375, 2480600, 3100750, 6201500, 12403000]

約数ペア:

[(1, 12403000), (2, 6201500), (4, 3100750), (5, 2480600), (8, 1550375), (10, 1240300), (20, 620150), (25, 496120), (40, 310075), (50, 248060), (79, 157000), (100, 124030), (125, 99224), (157, 79000), (158, 78500), (200, 62015), (250, 49612), (314, 39500), (316, 39250), (395, 31400), (500, 24806), (628, 19750), (632, 19625), (785, 15800), (790, 15700), (1000, 12403), (1256, 9875), (1570, 7900), (1580, 7850), (1975, 6280), (3140, 3950), (3160, 3925)]