211564480

素因数分解:

$2^6\times 5^1\times {\mathrm{661139}}^1$

素因数の和:661156

約数の個数: 28

約数和(自身を含む): 503788680

約数和(自身を除く): 292224200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 661139, 1322278, 2644556, 3305695, 5289112, 6611390, 10578224, 13222780, 21156448, 26445560, 42312896, 52891120, 105782240, 211564480]

約数ペア:

[(1, 211564480), (2, 105782240), (4, 52891120), (5, 42312896), (8, 26445560), (10, 21156448), (16, 13222780), (20, 10578224), (32, 6611390), (40, 5289112), (64, 3305695), (80, 2644556), (160, 1322278), (320, 661139)]