71715160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162989}}^1$

素因数の和:163011

約数の個数: 32

約数和(自身を含む): 176029200

約数和(自身を除く): 104314040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162989, 325978, 651956, 814945, 1303912, 1629890, 1792879, 3259780, 3585758, 6519560, 7171516, 8964395, 14343032, 17928790, 35857580, 71715160]

約数ペア:

[(1, 71715160), (2, 35857580), (4, 17928790), (5, 14343032), (8, 8964395), (10, 7171516), (11, 6519560), (20, 3585758), (22, 3259780), (40, 1792879), (44, 1629890), (55, 1303912), (88, 814945), (110, 651956), (220, 325978), (440, 162989)]