40708330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 79196544

約数和(自身を除く): 38488214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 643, 974, 1286, 2435, 3215, 4870, 6331, 6430, 8359, 12662, 16718, 31655, 41795, 63310, 83590, 313141, 626282, 1565705, 3131410, 4070833, 8141666, 20354165, 40708330]

約数ペア:

[(1, 40708330), (2, 20354165), (5, 8141666), (10, 4070833), (13, 3131410), (26, 1565705), (65, 626282), (130, 313141), (487, 83590), (643, 63310), (974, 41795), (1286, 31655), (2435, 16718), (3215, 12662), (4870, 8359), (6331, 6430)]