80378224

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{49739}}^1$

素因数の和:49848

約数の個数: 20

約数和(自身を含む): 157277880

約数和(自身を除く): 76899656

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 49739, 99478, 198956, 397912, 795824, 5023639, 10047278, 20094556, 40189112, 80378224]

約数ペア:

[(1, 80378224), (2, 40189112), (4, 20094556), (8, 10047278), (16, 5023639), (101, 795824), (202, 397912), (404, 198956), (808, 99478), (1616, 49739)]