2480600

素因数分解:

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

素因数の和:252

約数の個数: 48

約数和(自身を含む): 5877600

約数和(自身を除く): 3397000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 157, 158, 200, 314, 316, 395, 628, 632, 785, 790, 1256, 1570, 1580, 1975, 3140, 3160, 3925, 3950, 6280, 7850, 7900, 12403, 15700, 15800, 24806, 31400, 49612, 62015, 99224, 124030, 248060, 310075, 496120, 620150, 1240300, 2480600]

約数ペア:

[(1, 2480600), (2, 1240300), (4, 620150), (5, 496120), (8, 310075), (10, 248060), (20, 124030), (25, 99224), (40, 62015), (50, 49612), (79, 31400), (100, 24806), (157, 15800), (158, 15700), (200, 12403), (314, 7900), (316, 7850), (395, 6280), (628, 3950), (632, 3925), (785, 3160), (790, 3140), (1256, 1975), (1570, 1580)]