80229920

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6869}}^1$

素因数の和:6957

約数の個数: 48

約数和(自身を含む): 192167640

約数和(自身を除く): 111937720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 6869, 11680, 13738, 27476, 34345, 54952, 68690, 109904, 137380, 219808, 274760, 501437, 549520, 1002874, 1099040, 2005748, 2507185, 4011496, 5014370, 8022992, 10028740, 16045984, 20057480, 40114960, 80229920]

約数ペア:

[(1, 80229920), (2, 40114960), (4, 20057480), (5, 16045984), (8, 10028740), (10, 8022992), (16, 5014370), (20, 4011496), (32, 2507185), (40, 2005748), (73, 1099040), (80, 1002874), (146, 549520), (160, 501437), (292, 274760), (365, 219808), (584, 137380), (730, 109904), (1168, 68690), (1460, 54952), (2336, 34345), (2920, 27476), (5840, 13738), (6869, 11680)]