38312020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 86260608

約数和(自身を除く): 47948588

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 2251, 3404, 4255, 4502, 8510, 9004, 11255, 17020, 22510, 45020, 51773, 83287, 103546, 166574, 207092, 258865, 333148, 416435, 517730, 832870, 1035460, 1665740, 1915601, 3831202, 7662404, 9578005, 19156010, 38312020]

約数ペア:

[(1, 38312020), (2, 19156010), (4, 9578005), (5, 7662404), (10, 3831202), (20, 1915601), (23, 1665740), (37, 1035460), (46, 832870), (74, 517730), (92, 416435), (115, 333148), (148, 258865), (185, 207092), (230, 166574), (370, 103546), (460, 83287), (740, 51773), (851, 45020), (1702, 22510), (2251, 17020), (3404, 11255), (4255, 9004), (4502, 8510)]