80440208

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{9293}}^1$

素因数の和:9842

約数の個数: 20

約数和(自身を含む): 156157788

約数和(自身を除く): 75717580

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 9293, 18586, 37172, 74344, 148688, 5027513, 10055026, 20110052, 40220104, 80440208]

約数ペア:

[(1, 80440208), (2, 40220104), (4, 20110052), (8, 10055026), (16, 5027513), (541, 148688), (1082, 74344), (2164, 37172), (4328, 18586), (8656, 9293)]