42820765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 15240035

約数列:

[1, 5, 13, 31, 65, 79, 155, 269, 395, 403, 1027, 1345, 2015, 2449, 3497, 5135, 8339, 12245, 17485, 21251, 31837, 41695, 106255, 108407, 159185, 276263, 542035, 658781, 1381315, 3293905, 8564153, 42820765]

約数ペア:

[(1, 42820765), (5, 8564153), (13, 3293905), (31, 1381315), (65, 658781), (79, 542035), (155, 276263), (269, 159185), (395, 108407), (403, 106255), (1027, 41695), (1345, 31837), (2015, 21251), (2449, 17485), (3497, 12245), (5135, 8339)]