85904020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104761}}^1$

素因数の和:104811

約数の個数: 24

約数和(自身を含む): 184800168

約数和(自身を除く): 98896148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104761, 209522, 419044, 523805, 1047610, 2095220, 4295201, 8590402, 17180804, 21476005, 42952010, 85904020]

約数ペア:

[(1, 85904020), (2, 42952010), (4, 21476005), (5, 17180804), (10, 8590402), (20, 4295201), (41, 2095220), (82, 1047610), (164, 523805), (205, 419044), (410, 209522), (820, 104761)]