51231700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39409}}^1$

素因数の和:39436

約数の個数: 36

約数和(自身を含む): 119727580

約数和(自身を除く): 68495880

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 39409, 78818, 157636, 197045, 394090, 512317, 788180, 985225, 1024634, 1970450, 2049268, 2561585, 3940900, 5123170, 10246340, 12807925, 25615850, 51231700]

約数ペア:

[(1, 51231700), (2, 25615850), (4, 12807925), (5, 10246340), (10, 5123170), (13, 3940900), (20, 2561585), (25, 2049268), (26, 1970450), (50, 1024634), (52, 985225), (65, 788180), (100, 512317), (130, 394090), (260, 197045), (325, 157636), (650, 78818), (1300, 39409)]