83649680

素因数分解:

$2^4\times 5^1\times {\mathrm{1045621}}^1$

素因数の和:1045634

約数の個数: 20

約数和(自身を含む): 194485692

約数和(自身を除く): 110836012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1045621, 2091242, 4182484, 5228105, 8364968, 10456210, 16729936, 20912420, 41824840, 83649680]

約数ペア:

[(1, 83649680), (2, 41824840), (4, 20912420), (5, 16729936), (8, 10456210), (10, 8364968), (16, 5228105), (20, 4182484), (40, 2091242), (80, 1045621)]