70978420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27091}}^1$

素因数の和:27231

約数の個数: 24

約数和(自身を含む): 150198048

約数和(自身を除く): 79219628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27091, 54182, 108364, 135455, 270910, 541820, 3548921, 7097842, 14195684, 17744605, 35489210, 70978420]

約数ペア:

[(1, 70978420), (2, 35489210), (4, 17744605), (5, 14195684), (10, 7097842), (20, 3548921), (131, 541820), (262, 270910), (524, 135455), (655, 108364), (1310, 54182), (2620, 27091)]