71659240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20129}}^1$

素因数の和:20229

約数の個数: 32

約数和(自身を含む): 163053000

約数和(自身を除く): 91393760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20129, 40258, 80516, 100645, 161032, 201290, 402580, 805160, 1791481, 3582962, 7165924, 8957405, 14331848, 17914810, 35829620, 71659240]

約数ペア:

[(1, 71659240), (2, 35829620), (4, 17914810), (5, 14331848), (8, 8957405), (10, 7165924), (20, 3582962), (40, 1791481), (89, 805160), (178, 402580), (356, 201290), (445, 161032), (712, 100645), (890, 80516), (1780, 40258), (3560, 20129)]