40387040

素因数分解:

$2^5\times 5^1\times {\mathrm{252419}}^1$

素因数の和:252434

約数の個数: 24

約数和(自身を含む): 95414760

約数和(自身を除く): 55027720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 252419, 504838, 1009676, 1262095, 2019352, 2524190, 4038704, 5048380, 8077408, 10096760, 20193520, 40387040]

約数ペア:

[(1, 40387040), (2, 20193520), (4, 10096760), (5, 8077408), (8, 5048380), (10, 4038704), (16, 2524190), (20, 2019352), (32, 1262095), (40, 1009676), (80, 504838), (160, 252419)]