25102990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12011}}^1$

素因数の和:12048

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 26788850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12011, 24022, 60055, 120110, 132121, 228209, 264242, 456418, 660605, 1141045, 1321210, 2282090, 2510299, 5020598, 12551495, 25102990]

約数ペア:

[(1, 25102990), (2, 12551495), (5, 5020598), (10, 2510299), (11, 2282090), (19, 1321210), (22, 1141045), (38, 660605), (55, 456418), (95, 264242), (110, 228209), (190, 132121), (209, 120110), (418, 60055), (1045, 24022), (2090, 12011)]