70409720

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2663}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 158721120

約数和(自身を除く): 88311400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 2663, 3305, 5288, 5326, 6610, 10652, 13220, 13315, 21304, 26440, 26630, 53260, 106520, 1760243, 3520486, 7040972, 8801215, 14081944, 17602430, 35204860, 70409720]

約数ペア:

[(1, 70409720), (2, 35204860), (4, 17602430), (5, 14081944), (8, 8801215), (10, 7040972), (20, 3520486), (40, 1760243), (661, 106520), (1322, 53260), (2644, 26630), (2663, 26440), (3305, 21304), (5288, 13315), (5326, 13220), (6610, 10652)]