71377240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162221}}^1$

素因数の和:162243

約数の個数: 32

約数和(自身を含む): 175199760

約数和(自身を除く): 103822520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162221, 324442, 648884, 811105, 1297768, 1622210, 1784431, 3244420, 3568862, 6488840, 7137724, 8922155, 14275448, 17844310, 35688620, 71377240]

約数ペア:

[(1, 71377240), (2, 35688620), (4, 17844310), (5, 14275448), (8, 8922155), (10, 7137724), (11, 6488840), (20, 3568862), (22, 3244420), (40, 1784431), (44, 1622210), (55, 1297768), (88, 811105), (110, 648884), (220, 324442), (440, 162221)]