9141640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 20655000

約数和(自身を除く): 11513360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 509, 898, 1018, 1796, 2036, 2245, 2545, 3592, 4072, 4490, 5090, 8980, 10180, 17960, 20360, 228541, 457082, 914164, 1142705, 1828328, 2285410, 4570820, 9141640]

約数ペア:

[(1, 9141640), (2, 4570820), (4, 2285410), (5, 1828328), (8, 1142705), (10, 914164), (20, 457082), (40, 228541), (449, 20360), (509, 17960), (898, 10180), (1018, 8980), (1796, 5090), (2036, 4490), (2245, 4072), (2545, 3592)]