80417740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7193}}^1$

素因数の和:7258

約数の個数: 48

約数和(自身を含む): 186123168

約数和(自身を除く): 105705428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 7193, 11180, 14386, 28772, 35965, 71930, 93509, 143860, 187018, 309299, 374036, 467545, 618598, 935090, 1237196, 1546495, 1870180, 3092990, 4020887, 6185980, 8041774, 16083548, 20104435, 40208870, 80417740]

約数ペア:

[(1, 80417740), (2, 40208870), (4, 20104435), (5, 16083548), (10, 8041774), (13, 6185980), (20, 4020887), (26, 3092990), (43, 1870180), (52, 1546495), (65, 1237196), (86, 935090), (130, 618598), (172, 467545), (215, 374036), (260, 309299), (430, 187018), (559, 143860), (860, 93509), (1118, 71930), (2236, 35965), (2795, 28772), (5590, 14386), (7193, 11180)]