39952490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128879}}^1$

素因数の和:128917

約数の個数: 16

約数和(自身を含む): 74234880

約数和(自身を除く): 34282390

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 128879, 257758, 644395, 1288790, 3995249, 7990498, 19976245, 39952490]

約数ペア:

[(1, 39952490), (2, 19976245), (5, 7990498), (10, 3995249), (31, 1288790), (62, 644395), (155, 257758), (310, 128879)]