201994480

素因数分解:

$2^4\times 5^1\times {\mathrm{2524931}}^1$

素因数の和:2524944

約数の個数: 20

約数和(自身を含む): 469637352

約数和(自身を除く): 267642872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524931, 5049862, 10099724, 12624655, 20199448, 25249310, 40398896, 50498620, 100997240, 201994480]

約数ペア:

[(1, 201994480), (2, 100997240), (4, 50498620), (5, 40398896), (8, 25249310), (10, 20199448), (16, 12624655), (20, 10099724), (40, 5049862), (80, 2524931)]