49894960

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1571}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 116372016

約数和(自身を除く): 66477056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1571, 1588, 1985, 3142, 3176, 3970, 6284, 6352, 7855, 7940, 12568, 15710, 15880, 25136, 31420, 31760, 62840, 125680, 623687, 1247374, 2494748, 3118435, 4989496, 6236870, 9978992, 12473740, 24947480, 49894960]

約数ペア:

[(1, 49894960), (2, 24947480), (4, 12473740), (5, 9978992), (8, 6236870), (10, 4989496), (16, 3118435), (20, 2494748), (40, 1247374), (80, 623687), (397, 125680), (794, 62840), (1571, 31760), (1588, 31420), (1985, 25136), (3142, 15880), (3176, 15710), (3970, 12568), (6284, 7940), (6352, 7855)]