40142000

素因数分解:

$2^4\times 5^3\times {\mathrm{20071}}^1$

素因数の和:20094

約数の個数: 40

約数和(自身を含む): 97068192

約数和(自身を除く): 56926192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20071, 40142, 80284, 100355, 160568, 200710, 321136, 401420, 501775, 802840, 1003550, 1605680, 2007100, 2508875, 4014200, 5017750, 8028400, 10035500, 20071000, 40142000]

約数ペア:

[(1, 40142000), (2, 20071000), (4, 10035500), (5, 8028400), (8, 5017750), (10, 4014200), (16, 2508875), (20, 2007100), (25, 1605680), (40, 1003550), (50, 802840), (80, 501775), (100, 401420), (125, 321136), (200, 200710), (250, 160568), (400, 100355), (500, 80284), (1000, 40142), (2000, 20071)]