80090890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38321}}^1$

素因数の和:38358

約数の個数: 32

約数和(自身を含む): 165551040

約数和(自身を除く): 85460150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 38321, 76642, 191605, 383210, 421531, 728099, 843062, 1456198, 2107655, 3640495, 4215310, 7280990, 8009089, 16018178, 40045445, 80090890]

約数ペア:

[(1, 80090890), (2, 40045445), (5, 16018178), (10, 8009089), (11, 7280990), (19, 4215310), (22, 3640495), (38, 2107655), (55, 1456198), (95, 843062), (110, 728099), (190, 421531), (209, 383210), (418, 191605), (1045, 76642), (2090, 38321)]