85383880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15581}}^1$

素因数の和:15729

約数の個数: 32

約数和(自身を含む): 193528440

約数和(自身を除く): 108144560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15581, 31162, 62324, 77905, 124648, 155810, 311620, 623240, 2134597, 4269194, 8538388, 10672985, 17076776, 21345970, 42691940, 85383880]

約数ペア:

[(1, 85383880), (2, 42691940), (4, 21345970), (5, 17076776), (8, 10672985), (10, 8538388), (20, 4269194), (40, 2134597), (137, 623240), (274, 311620), (548, 155810), (685, 124648), (1096, 77905), (1370, 62324), (2740, 31162), (5480, 15581)]