164088520

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{11621}}^1$

素因数の和:11985

約数の個数: 32

約数和(自身を含む): 370276920

約数和(自身を除く): 206188400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 11621, 14120, 23242, 46484, 58105, 92968, 116210, 232420, 464840, 4102213, 8204426, 16408852, 20511065, 32817704, 41022130, 82044260, 164088520]

約数ペア:

[(1, 164088520), (2, 82044260), (4, 41022130), (5, 32817704), (8, 20511065), (10, 16408852), (20, 8204426), (40, 4102213), (353, 464840), (706, 232420), (1412, 116210), (1765, 92968), (2824, 58105), (3530, 46484), (7060, 23242), (11621, 14120)]