87662720

素因数分解:

$2^7\times 5^1\times {\mathrm{136973}}^1$

素因数の和:136992

約数の個数: 32

約数和(自身を含む): 209570220

約数和(自身を除く): 121907500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136973, 273946, 547892, 684865, 1095784, 1369730, 2191568, 2739460, 4383136, 5478920, 8766272, 10957840, 17532544, 21915680, 43831360, 87662720]

約数ペア:

[(1, 87662720), (2, 43831360), (4, 21915680), (5, 17532544), (8, 10957840), (10, 8766272), (16, 5478920), (20, 4383136), (32, 2739460), (40, 2191568), (64, 1369730), (80, 1095784), (128, 684865), (160, 547892), (320, 273946), (640, 136973)]