39787720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142099}}^1$

素因数の和:142117

約数の個数: 32

約数和(自身を含む): 102312000

約数和(自身を除く): 62524280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142099, 284198, 568396, 710495, 994693, 1136792, 1420990, 1989386, 2841980, 3978772, 4973465, 5683960, 7957544, 9946930, 19893860, 39787720]

約数ペア:

[(1, 39787720), (2, 19893860), (4, 9946930), (5, 7957544), (7, 5683960), (8, 4973465), (10, 3978772), (14, 2841980), (20, 1989386), (28, 1420990), (35, 1136792), (40, 994693), (56, 710495), (70, 568396), (140, 284198), (280, 142099)]