208998520

素因数分解:

$2^3\times 5^1\times {\mathrm{5224963}}^1$

素因数の和:5224974

約数の個数: 16

約数和(自身を含む): 470246760

約数和(自身を除く): 261248240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5224963, 10449926, 20899852, 26124815, 41799704, 52249630, 104499260, 208998520]

約数ペア:

[(1, 208998520), (2, 104499260), (4, 52249630), (5, 41799704), (8, 26124815), (10, 20899852), (20, 10449926), (40, 5224963)]