161085650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2819

約数の個数: 48

約数和(自身を含む): 329978880

約数和(自身を除く): 168893230

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 218, 275, 545, 550, 1090, 1199, 2398, 2687, 2725, 5374, 5450, 5995, 11990, 13435, 26870, 29557, 29975, 59114, 59950, 67175, 134350, 147785, 292883, 295570, 585766, 738925, 1464415, 1477850, 2928830, 3221713, 6443426, 7322075, 14644150, 16108565, 32217130, 80542825, 161085650]

約数ペア:

[(1, 161085650), (2, 80542825), (5, 32217130), (10, 16108565), (11, 14644150), (22, 7322075), (25, 6443426), (50, 3221713), (55, 2928830), (109, 1477850), (110, 1464415), (218, 738925), (275, 585766), (545, 295570), (550, 292883), (1090, 147785), (1199, 134350), (2398, 67175), (2687, 59950), (2725, 59114), (5374, 29975), (5450, 29557), (5995, 26870), (11990, 13435)]