70442440

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2099}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 158760000

約数和(自身を除く): 88317560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 2099, 3356, 4195, 4198, 6712, 8390, 8396, 10495, 16780, 16792, 20990, 33560, 41980, 83960, 1761061, 3522122, 7044244, 8805305, 14088488, 17610610, 35221220, 70442440]

約数ペア:

[(1, 70442440), (2, 35221220), (4, 17610610), (5, 14088488), (8, 8805305), (10, 7044244), (20, 3522122), (40, 1761061), (839, 83960), (1678, 41980), (2099, 33560), (3356, 20990), (4195, 16792), (4198, 16780), (6712, 10495), (8390, 8396)]