142407040

素因数分解:

$2^7\times 5^1\times {\mathrm{222511}}^1$

素因数の和:222530

約数の個数: 32

約数和(自身を含む): 340443360

約数和(自身を除く): 198036320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 222511, 445022, 890044, 1112555, 1780088, 2225110, 3560176, 4450220, 7120352, 8900440, 14240704, 17800880, 28481408, 35601760, 71203520, 142407040]

約数ペア:

[(1, 142407040), (2, 71203520), (4, 35601760), (5, 28481408), (8, 17800880), (10, 14240704), (16, 8900440), (20, 7120352), (32, 4450220), (40, 3560176), (64, 2225110), (80, 1780088), (128, 1112555), (160, 890044), (320, 445022), (640, 222511)]