57109780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31379}}^1$

素因数の和:31408

約数の個数: 48

約数和(自身を含む): 147611520

約数和(自身を除く): 90501740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31379, 62758, 125516, 156895, 219653, 313790, 407927, 439306, 627580, 815854, 878612, 1098265, 1631708, 2039635, 2196530, 2855489, 4079270, 4393060, 5710978, 8158540, 11421956, 14277445, 28554890, 57109780]

約数ペア:

[(1, 57109780), (2, 28554890), (4, 14277445), (5, 11421956), (7, 8158540), (10, 5710978), (13, 4393060), (14, 4079270), (20, 2855489), (26, 2196530), (28, 2039635), (35, 1631708), (52, 1098265), (65, 878612), (70, 815854), (91, 627580), (130, 439306), (140, 407927), (182, 313790), (260, 219653), (364, 156895), (455, 125516), (910, 62758), (1820, 31379)]