38813080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15907}}^1$

素因数の和:15979

約数の個数: 32

約数和(自身を含む): 88766640

約数和(自身を除く): 49953560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15907, 31814, 63628, 79535, 127256, 159070, 318140, 636280, 970327, 1940654, 3881308, 4851635, 7762616, 9703270, 19406540, 38813080]

約数ペア:

[(1, 38813080), (2, 19406540), (4, 9703270), (5, 7762616), (8, 4851635), (10, 3881308), (20, 1940654), (40, 970327), (61, 636280), (122, 318140), (244, 159070), (305, 127256), (488, 79535), (610, 63628), (1220, 31814), (2440, 15907)]