65538280

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1459}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 147693600

約数和(自身を除く): 82155320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 1459, 2246, 2918, 4492, 5615, 5836, 7295, 8984, 11230, 11672, 14590, 22460, 29180, 44920, 58360, 1638457, 3276914, 6553828, 8192285, 13107656, 16384570, 32769140, 65538280]

約数ペア:

[(1, 65538280), (2, 32769140), (4, 16384570), (5, 13107656), (8, 8192285), (10, 6553828), (20, 3276914), (40, 1638457), (1123, 58360), (1459, 44920), (2246, 29180), (2918, 22460), (4492, 14590), (5615, 11672), (5836, 11230), (7295, 8984)]