8490880

素因数分解:

$2^7\times 5^1\times {\mathrm{13267}}^1$

素因数の和:13286

約数の個数: 32

約数和(自身を含む): 20300040

約数和(自身を除く): 11809160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13267, 26534, 53068, 66335, 106136, 132670, 212272, 265340, 424544, 530680, 849088, 1061360, 1698176, 2122720, 4245440, 8490880]

約数ペア:

[(1, 8490880), (2, 4245440), (4, 2122720), (5, 1698176), (8, 1061360), (10, 849088), (16, 530680), (20, 424544), (32, 265340), (40, 212272), (64, 132670), (80, 106136), (128, 66335), (160, 53068), (320, 26534), (640, 13267)]