158149720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12713}}^1$

素因数の和:13035

約数の個数: 32

約数和(自身を含む): 357009120

約数和(自身を除く): 198859400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 12713, 25426, 50852, 63565, 101704, 127130, 254260, 508520, 3953743, 7907486, 15814972, 19768715, 31629944, 39537430, 79074860, 158149720]

約数ペア:

[(1, 158149720), (2, 79074860), (4, 39537430), (5, 31629944), (8, 19768715), (10, 15814972), (20, 7907486), (40, 3953743), (311, 508520), (622, 254260), (1244, 127130), (1555, 101704), (2488, 63565), (3110, 50852), (6220, 25426), (12440, 12713)]