39820760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142217}}^1$

素因数の和:142235

約数の個数: 32

約数和(自身を含む): 102396960

約数和(自身を除く): 62576200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142217, 284434, 568868, 711085, 995519, 1137736, 1422170, 1991038, 2844340, 3982076, 4977595, 5688680, 7964152, 9955190, 19910380, 39820760]

約数ペア:

[(1, 39820760), (2, 19910380), (4, 9955190), (5, 7964152), (7, 5688680), (8, 4977595), (10, 3982076), (14, 2844340), (20, 1991038), (28, 1422170), (35, 1137736), (40, 995519), (56, 711085), (70, 568868), (140, 284434), (280, 142217)]