140931760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42967}}^1$

素因数の和:43021

約数の個数: 40

約数和(自身を含む): 335666016

約数和(自身を除く): 194734256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 42967, 85934, 171868, 214835, 343736, 429670, 687472, 859340, 1718680, 1761647, 3437360, 3523294, 7046588, 8808235, 14093176, 17616470, 28186352, 35232940, 70465880, 140931760]

約数ペア:

[(1, 140931760), (2, 70465880), (4, 35232940), (5, 28186352), (8, 17616470), (10, 14093176), (16, 8808235), (20, 7046588), (40, 3523294), (41, 3437360), (80, 1761647), (82, 1718680), (164, 859340), (205, 687472), (328, 429670), (410, 343736), (656, 214835), (820, 171868), (1640, 85934), (3280, 42967)]