87369140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{33347}}^1$

素因数の和:33487

約数の個数: 24

約数和(自身を含む): 184881312

約数和(自身を除く): 97512172

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 33347, 66694, 133388, 166735, 333470, 666940, 4368457, 8736914, 17473828, 21842285, 43684570, 87369140]

約数ペア:

[(1, 87369140), (2, 43684570), (4, 21842285), (5, 17473828), (10, 8736914), (20, 4368457), (131, 666940), (262, 333470), (524, 166735), (655, 133388), (1310, 66694), (2620, 33347)]