40668005

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 58406400

約数和(自身を除く): 17738395

約数列:

[1, 5, 7, 29, 35, 103, 145, 203, 389, 515, 721, 1015, 1945, 2723, 2987, 3605, 11281, 13615, 14935, 20909, 40067, 56405, 78967, 104545, 200335, 280469, 394835, 1161943, 1402345, 5809715, 8133601, 40668005]

約数ペア:

[(1, 40668005), (5, 8133601), (7, 5809715), (29, 1402345), (35, 1161943), (103, 394835), (145, 280469), (203, 200335), (389, 104545), (515, 78967), (721, 56405), (1015, 40067), (1945, 20909), (2723, 14935), (2987, 13615), (3605, 11281)]