2531383160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{159407}}^1$

素因数の和:159815

約数の個数: 32

約数和(自身を含む): 5709994560

約数和(自身を除く): 3178611400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 159407, 318814, 637628, 797035, 1275256, 1594070, 3188140, 6376280, 63284579, 126569158, 253138316, 316422895, 506276632, 632845790, 1265691580, 2531383160]

約数ペア:

[(1, 2531383160), (2, 1265691580), (4, 632845790), (5, 506276632), (8, 316422895), (10, 253138316), (20, 126569158), (40, 63284579), (397, 6376280), (794, 3188140), (1588, 1594070), (1985, 1275256), (3176, 797035), (3970, 637628), (7940, 318814), (15880, 159407)]