211560427720

素因数分解:

$2^3\times 5^1\times {\mathrm{5289010693}}^1$

素因数の和:5289010704

約数の個数: 16

約数和(自身を含む): 476010962460

約数和(自身を除く): 264450534740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5289010693, 10578021386, 21156042772, 26445053465, 42312085544, 52890106930, 105780213860, 211560427720]

約数ペア:

[(1, 211560427720), (2, 105780213860), (4, 52890106930), (5, 42312085544), (8, 26445053465), (10, 21156042772), (20, 10578021386), (40, 5289010693)]