8580040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30643}}^1$

素因数の和:30661

約数の個数: 32

約数和(自身を含む): 22063680

約数和(自身を除く): 13483640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30643, 61286, 122572, 153215, 214501, 245144, 306430, 429002, 612860, 858004, 1072505, 1225720, 1716008, 2145010, 4290020, 8580040]

約数ペア:

[(1, 8580040), (2, 4290020), (4, 2145010), (5, 1716008), (7, 1225720), (8, 1072505), (10, 858004), (14, 612860), (20, 429002), (28, 306430), (35, 245144), (40, 214501), (56, 153215), (70, 122572), (140, 61286), (280, 30643)]