42542890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3677}}^1$

素因数の和:3786

約数の個数: 32

約数和(自身を含む): 83417040

約数和(自身を除く): 40874150

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 3677, 5785, 7354, 11570, 18385, 36770, 47801, 95602, 239005, 327253, 478010, 654506, 1636265, 3272530, 4254289, 8508578, 21271445, 42542890]

約数ペア:

[(1, 42542890), (2, 21271445), (5, 8508578), (10, 4254289), (13, 3272530), (26, 1636265), (65, 654506), (89, 478010), (130, 327253), (178, 239005), (445, 95602), (890, 47801), (1157, 36770), (2314, 18385), (3677, 11570), (5785, 7354)]