89379440

素因数分解:

$2^4\times 5^1\times {\mathrm{1117243}}^1$

素因数の和:1117256

約数の個数: 20

約数和(自身を含む): 207807384

約数和(自身を除く): 118427944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117243, 2234486, 4468972, 5586215, 8937944, 11172430, 17875888, 22344860, 44689720, 89379440]

約数ペア:

[(1, 89379440), (2, 44689720), (4, 22344860), (5, 17875888), (8, 11172430), (10, 8937944), (16, 5586215), (20, 4468972), (40, 2234486), (80, 1117243)]