40208870

素因数分解:

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

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 79767072

約数和(自身を除く): 39558202

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 7193, 14386, 35965, 71930, 93509, 187018, 309299, 467545, 618598, 935090, 1546495, 3092990, 4020887, 8041774, 20104435, 40208870]

約数ペア:

[(1, 40208870), (2, 20104435), (5, 8041774), (10, 4020887), (13, 3092990), (26, 1546495), (43, 935090), (65, 618598), (86, 467545), (130, 309299), (215, 187018), (430, 93509), (559, 71930), (1118, 35965), (2795, 14386), (5590, 7193)]