85126420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{32491}}^1$

素因数の和:32631

約数の個数: 24

約数和(自身を含む): 180135648

約数和(自身を除く): 95009228

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 32491, 64982, 129964, 162455, 324910, 649820, 4256321, 8512642, 17025284, 21281605, 42563210, 85126420]

約数ペア:

[(1, 85126420), (2, 42563210), (4, 21281605), (5, 17025284), (10, 8512642), (20, 4256321), (131, 649820), (262, 324910), (524, 162455), (655, 129964), (1310, 64982), (2620, 32491)]