85810760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43781}}^1$

素因数の和:43806

約数の個数: 48

約数和(自身を含む): 224601660

約数和(自身を除く): 138790900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43781, 87562, 175124, 218905, 306467, 350248, 437810, 612934, 875620, 1225868, 1532335, 1751240, 2145269, 2451736, 3064670, 4290538, 6129340, 8581076, 10726345, 12258680, 17162152, 21452690, 42905380, 85810760]

約数ペア:

[(1, 85810760), (2, 42905380), (4, 21452690), (5, 17162152), (7, 12258680), (8, 10726345), (10, 8581076), (14, 6129340), (20, 4290538), (28, 3064670), (35, 2451736), (40, 2145269), (49, 1751240), (56, 1532335), (70, 1225868), (98, 875620), (140, 612934), (196, 437810), (245, 350248), (280, 306467), (392, 218905), (490, 175124), (980, 87562), (1960, 43781)]