1818760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 4195800

約数和(自身を除く): 2377040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1109, 1640, 2218, 4436, 5545, 8872, 11090, 22180, 44360, 45469, 90938, 181876, 227345, 363752, 454690, 909380, 1818760]

約数ペア:

[(1, 1818760), (2, 909380), (4, 454690), (5, 363752), (8, 227345), (10, 181876), (20, 90938), (40, 45469), (41, 44360), (82, 22180), (164, 11090), (205, 8872), (328, 5545), (410, 4436), (820, 2218), (1109, 1640)]