9922400

素因数分解:

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

素因数の和:256

約数の個数: 72

約数和(自身を含む): 24685920

約数和(自身を除く): 14763520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 157, 158, 160, 200, 314, 316, 395, 400, 628, 632, 785, 790, 800, 1256, 1264, 1570, 1580, 1975, 2512, 2528, 3140, 3160, 3925, 3950, 5024, 6280, 6320, 7850, 7900, 12403, 12560, 12640, 15700, 15800, 24806, 25120, 31400, 31600, 49612, 62015, 62800, 63200, 99224, 124030, 125600, 198448, 248060, 310075, 396896, 496120, 620150, 992240, 1240300, 1984480, 2480600, 4961200, 9922400]

約数ペア:

[(1, 9922400), (2, 4961200), (4, 2480600), (5, 1984480), (8, 1240300), (10, 992240), (16, 620150), (20, 496120), (25, 396896), (32, 310075), (40, 248060), (50, 198448), (79, 125600), (80, 124030), (100, 99224), (157, 63200), (158, 62800), (160, 62015), (200, 49612), (314, 31600), (316, 31400), (395, 25120), (400, 24806), (628, 15800), (632, 15700), (785, 12640), (790, 12560), (800, 12403), (1256, 7900), (1264, 7850), (1570, 6320), (1580, 6280), (1975, 5024), (2512, 3950), (2528, 3925), (3140, 3160)]