71638960

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{10789}}^1$

素因数の和:10885

約数の個数: 40

約数和(自身を含む): 168582960

約数和(自身を除く): 96944000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 10789, 21578, 43156, 53945, 86312, 107890, 172624, 215780, 431560, 863120, 895487, 1790974, 3581948, 4477435, 7163896, 8954870, 14327792, 17909740, 35819480, 71638960]

約数ペア:

[(1, 71638960), (2, 35819480), (4, 17909740), (5, 14327792), (8, 8954870), (10, 7163896), (16, 4477435), (20, 3581948), (40, 1790974), (80, 895487), (83, 863120), (166, 431560), (332, 215780), (415, 172624), (664, 107890), (830, 86312), (1328, 53945), (1660, 43156), (3320, 21578), (6640, 10789)]