51542560

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5357

約数の個数: 48

約数和(自身を含む): 123788952

約数和(自身を除く): 72246392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 5281, 9760, 10562, 21124, 26405, 42248, 52810, 84496, 105620, 168992, 211240, 322141, 422480, 644282, 844960, 1288564, 1610705, 2577128, 3221410, 5154256, 6442820, 10308512, 12885640, 25771280, 51542560]

約数ペア:

[(1, 51542560), (2, 25771280), (4, 12885640), (5, 10308512), (8, 6442820), (10, 5154256), (16, 3221410), (20, 2577128), (32, 1610705), (40, 1288564), (61, 844960), (80, 644282), (122, 422480), (160, 322141), (244, 211240), (305, 168992), (488, 105620), (610, 84496), (976, 52810), (1220, 42248), (1952, 26405), (2440, 21124), (4880, 10562), (5281, 9760)]