39540320

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{587}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 93795408

約数和(自身を除く): 54255088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 587, 842, 1174, 1684, 2105, 2348, 2935, 3368, 4210, 4696, 5870, 6736, 8420, 9392, 11740, 13472, 16840, 18784, 23480, 33680, 46960, 67360, 93920, 247127, 494254, 988508, 1235635, 1977016, 2471270, 3954032, 4942540, 7908064, 9885080, 19770160, 39540320]

約数ペア:

[(1, 39540320), (2, 19770160), (4, 9885080), (5, 7908064), (8, 4942540), (10, 3954032), (16, 2471270), (20, 1977016), (32, 1235635), (40, 988508), (80, 494254), (160, 247127), (421, 93920), (587, 67360), (842, 46960), (1174, 33680), (1684, 23480), (2105, 18784), (2348, 16840), (2935, 13472), (3368, 11740), (4210, 9392), (4696, 8420), (5870, 6736)]