80018950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 164672496

約数和(自身を除く): 84653546

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 275, 365, 550, 730, 803, 1606, 1825, 1993, 3650, 3986, 4015, 8030, 9965, 19930, 20075, 21923, 40150, 43846, 49825, 99650, 109615, 145489, 219230, 290978, 548075, 727445, 1096150, 1454890, 1600379, 3200758, 3637225, 7274450, 8001895, 16003790, 40009475, 80018950]

約数ペア:

[(1, 80018950), (2, 40009475), (5, 16003790), (10, 8001895), (11, 7274450), (22, 3637225), (25, 3200758), (50, 1600379), (55, 1454890), (73, 1096150), (110, 727445), (146, 548075), (275, 290978), (365, 219230), (550, 145489), (730, 109615), (803, 99650), (1606, 49825), (1825, 43846), (1993, 40150), (3650, 21923), (3986, 20075), (4015, 19930), (8030, 9965)]