78450080

素因数分解:

$2^5\times 5^1\times {\mathrm{490313}}^1$

素因数の和:490328

約数の個数: 24

約数和(自身を含む): 185338692

約数和(自身を除く): 106888612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490313, 980626, 1961252, 2451565, 3922504, 4903130, 7845008, 9806260, 15690016, 19612520, 39225040, 78450080]

約数ペア:

[(1, 78450080), (2, 39225040), (4, 19612520), (5, 15690016), (8, 9806260), (10, 7845008), (16, 4903130), (20, 3922504), (32, 2451565), (40, 1961252), (80, 980626), (160, 490313)]