2065789990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2129}}^1\times {\mathrm{8821}}^1$

素因数の和:10968

約数の個数: 32

約数和(自身を含む): 4058825760

約数和(自身を除く): 1993035770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2129, 4258, 8821, 10645, 17642, 21290, 23419, 44105, 46838, 88210, 97031, 117095, 194062, 234190, 485155, 970310, 18779909, 37559818, 93899545, 187799090, 206578999, 413157998, 1032894995, 2065789990]

約数ペア:

[(1, 2065789990), (2, 1032894995), (5, 413157998), (10, 206578999), (11, 187799090), (22, 93899545), (55, 37559818), (110, 18779909), (2129, 970310), (4258, 485155), (8821, 234190), (10645, 194062), (17642, 117095), (21290, 97031), (23419, 88210), (44105, 46838)]