80856490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{56543}}^1$

素因数の和:56574

約数の個数: 32

約数和(自身を含む): 170989056

約数和(自身を除く): 90132566

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 56543, 113086, 282715, 565430, 621973, 735059, 1243946, 1470118, 3109865, 3675295, 6219730, 7350590, 8085649, 16171298, 40428245, 80856490]

約数ペア:

[(1, 80856490), (2, 40428245), (5, 16171298), (10, 8085649), (11, 7350590), (13, 6219730), (22, 3675295), (26, 3109865), (55, 1470118), (65, 1243946), (110, 735059), (130, 621973), (143, 565430), (286, 282715), (715, 113086), (1430, 56543)]