71707240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162971}}^1$

素因数の和:162993

約数の個数: 32

約数和(自身を含む): 176009760

約数和(自身を除く): 104302520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162971, 325942, 651884, 814855, 1303768, 1629710, 1792681, 3259420, 3585362, 6518840, 7170724, 8963405, 14341448, 17926810, 35853620, 71707240]

約数ペア:

[(1, 71707240), (2, 35853620), (4, 17926810), (5, 14341448), (8, 8963405), (10, 7170724), (11, 6518840), (20, 3585362), (22, 3259420), (40, 1792681), (44, 1629710), (55, 1303768), (88, 814855), (110, 651884), (220, 325942), (440, 162971)]