138047660

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{15581}}^1$

素因数の和:16033

約数の個数: 24

約数和(自身を含む): 290573136

約数和(自身を除く): 152525476

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 15581, 31162, 62324, 77905, 155810, 311620, 6902383, 13804766, 27609532, 34511915, 69023830, 138047660]

約数ペア:

[(1, 138047660), (2, 69023830), (4, 34511915), (5, 27609532), (10, 13804766), (20, 6902383), (443, 311620), (886, 155810), (1772, 77905), (2215, 62324), (4430, 31162), (8860, 15581)]