80651272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12713}}^1$

素因数の和:12793

約数の個数: 32

約数和(自身を含む): 165536280

約数和(自身を除く): 84885008

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 12713, 25426, 50852, 101704, 165269, 330538, 661076, 775493, 1322152, 1550986, 3101972, 6203944, 10081409, 20162818, 40325636, 80651272]

約数ペア:

[(1, 80651272), (2, 40325636), (4, 20162818), (8, 10081409), (13, 6203944), (26, 3101972), (52, 1550986), (61, 1322152), (104, 775493), (122, 661076), (244, 330538), (488, 165269), (793, 101704), (1586, 50852), (3172, 25426), (6344, 12713)]