40780270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 78382080

約数和(自身を除く): 37601810

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 3023, 6046, 6745, 13490, 15115, 30230, 57437, 114874, 214633, 287185, 429266, 574370, 1073165, 2146330, 4078027, 8156054, 20390135, 40780270]

約数ペア:

[(1, 40780270), (2, 20390135), (5, 8156054), (10, 4078027), (19, 2146330), (38, 1073165), (71, 574370), (95, 429266), (142, 287185), (190, 214633), (355, 114874), (710, 57437), (1349, 30230), (2698, 15115), (3023, 13490), (6046, 6745)]