87661699990

素因数分解:

$2^1\times 5^1\times {\mathrm{64151}}^1\times {\mathrm{136649}}^1$

素因数の和:200807

約数の個数: 16

約数和(自身を含む): 157794674400

約数和(自身を除く): 70132974410

約数列:

[1, 2, 5, 10, 64151, 128302, 136649, 273298, 320755, 641510, 683245, 1366490, 8766169999, 17532339998, 43830849995, 87661699990]

約数ペア:

[(1, 87661699990), (2, 43830849995), (5, 17532339998), (10, 8766169999), (64151, 1366490), (128302, 683245), (136649, 641510), (273298, 320755)]