87345880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26309}}^1$

素因数の和:26403

約数の個数: 32

約数和(自身を含む): 198903600

約数和(自身を除く): 111557720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 26309, 52618, 105236, 131545, 210472, 263090, 526180, 1052360, 2183647, 4367294, 8734588, 10918235, 17469176, 21836470, 43672940, 87345880]

約数ペア:

[(1, 87345880), (2, 43672940), (4, 21836470), (5, 17469176), (8, 10918235), (10, 8734588), (20, 4367294), (40, 2183647), (83, 1052360), (166, 526180), (332, 263090), (415, 210472), (664, 131545), (830, 105236), (1660, 52618), (3320, 26309)]