42158420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16091}}^1$

素因数の和:16231

約数の個数: 24

約数和(自身を含む): 89214048

約数和(自身を除く): 47055628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 16091, 32182, 64364, 80455, 160910, 321820, 2107921, 4215842, 8431684, 10539605, 21079210, 42158420]

約数ペア:

[(1, 42158420), (2, 21079210), (4, 10539605), (5, 8431684), (10, 4215842), (20, 2107921), (131, 321820), (262, 160910), (524, 80455), (655, 64364), (1310, 32182), (2620, 16091)]