171489680

素因数分解:

$2^4\times 5^1\times {\mathrm{2143621}}^1$

素因数の和:2143634

約数の個数: 20

約数和(自身を含む): 398713692

約数和(自身を除く): 227224012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2143621, 4287242, 8574484, 10718105, 17148968, 21436210, 34297936, 42872420, 85744840, 171489680]

約数ペア:

[(1, 171489680), (2, 85744840), (4, 42872420), (5, 34297936), (8, 21436210), (10, 17148968), (16, 10718105), (20, 8574484), (40, 4287242), (80, 2143621)]