81650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 24

約数和(自身を含む): 160704

約数和(自身を除く): 79054

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 575, 710, 1150, 1633, 1775, 3266, 3550, 8165, 16330, 40825, 81650]

約数ペア:

[(1, 81650), (2, 40825), (5, 16330), (10, 8165), (23, 3550), (25, 3266), (46, 1775), (50, 1633), (71, 1150), (115, 710), (142, 575), (230, 355)]