71689040

素因数分解:

$2^4\times 5^1\times {\mathrm{896113}}^1$

素因数の和:896126

約数の個数: 20

約数和(自身を含む): 166677204

約数和(自身を除く): 94988164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 896113, 1792226, 3584452, 4480565, 7168904, 8961130, 14337808, 17922260, 35844520, 71689040]

約数ペア:

[(1, 71689040), (2, 35844520), (4, 17922260), (5, 14337808), (8, 8961130), (10, 7168904), (16, 4480565), (20, 3584452), (40, 1792226), (80, 896113)]