8196440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 21418560

約数和(自身を除く): 13222120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 401, 511, 584, 730, 802, 1022, 1460, 1604, 2005, 2044, 2555, 2807, 2920, 3208, 4010, 4088, 5110, 5614, 8020, 10220, 11228, 14035, 16040, 20440, 22456, 28070, 29273, 56140, 58546, 112280, 117092, 146365, 204911, 234184, 292730, 409822, 585460, 819644, 1024555, 1170920, 1639288, 2049110, 4098220, 8196440]

約数ペア:

[(1, 8196440), (2, 4098220), (4, 2049110), (5, 1639288), (7, 1170920), (8, 1024555), (10, 819644), (14, 585460), (20, 409822), (28, 292730), (35, 234184), (40, 204911), (56, 146365), (70, 117092), (73, 112280), (140, 58546), (146, 56140), (280, 29273), (292, 28070), (365, 22456), (401, 20440), (511, 16040), (584, 14035), (730, 11228), (802, 10220), (1022, 8020), (1460, 5614), (1604, 5110), (2005, 4088), (2044, 4010), (2555, 3208), (2807, 2920)]