81436850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7793}}^1$

素因数の和:7835

約数の個数: 48

約数和(自身を含む): 173962080

約数和(自身を除く): 92525230

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 7793, 10450, 15586, 38965, 77930, 85723, 148067, 171446, 194825, 296134, 389650, 428615, 740335, 857230, 1480670, 1628737, 2143075, 3257474, 3701675, 4286150, 7403350, 8143685, 16287370, 40718425, 81436850]

約数ペア:

[(1, 81436850), (2, 40718425), (5, 16287370), (10, 8143685), (11, 7403350), (19, 4286150), (22, 3701675), (25, 3257474), (38, 2143075), (50, 1628737), (55, 1480670), (95, 857230), (110, 740335), (190, 428615), (209, 389650), (275, 296134), (418, 194825), (475, 171446), (550, 148067), (950, 85723), (1045, 77930), (2090, 38965), (5225, 15586), (7793, 10450)]