29128040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17761}}^1$

素因数の和:17813

約数の個数: 32

約数和(自身を含む): 67140360

約数和(自身を除く): 38012320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17761, 35522, 71044, 88805, 142088, 177610, 355220, 710440, 728201, 1456402, 2912804, 3641005, 5825608, 7282010, 14564020, 29128040]

約数ペア:

[(1, 29128040), (2, 14564020), (4, 7282010), (5, 5825608), (8, 3641005), (10, 2912804), (20, 1456402), (40, 728201), (41, 710440), (82, 355220), (164, 177610), (205, 142088), (328, 88805), (410, 71044), (820, 35522), (1640, 17761)]