2580039760

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{246187}}^1$

素因数の和:246331

約数の個数: 40

約数和(自身を含む): 6044407776

約数和(自身を除く): 3464368016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 246187, 492374, 984748, 1230935, 1969496, 2461870, 3938992, 4923740, 9847480, 19694960, 32250497, 64500994, 129001988, 161252485, 258003976, 322504970, 516007952, 645009940, 1290019880, 2580039760]

約数ペア:

[(1, 2580039760), (2, 1290019880), (4, 645009940), (5, 516007952), (8, 322504970), (10, 258003976), (16, 161252485), (20, 129001988), (40, 64500994), (80, 32250497), (131, 19694960), (262, 9847480), (524, 4923740), (655, 3938992), (1048, 2461870), (1310, 1969496), (2096, 1230935), (2620, 984748), (5240, 492374), (10480, 246187)]