28421680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50753}}^1$

素因数の和:50773

約数の個数: 40

約数和(自身を含む): 75521952

約数和(自身を除く): 47100272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50753, 101506, 203012, 253765, 355271, 406024, 507530, 710542, 812048, 1015060, 1421084, 1776355, 2030120, 2842168, 3552710, 4060240, 5684336, 7105420, 14210840, 28421680]

約数ペア:

[(1, 28421680), (2, 14210840), (4, 7105420), (5, 5684336), (7, 4060240), (8, 3552710), (10, 2842168), (14, 2030120), (16, 1776355), (20, 1421084), (28, 1015060), (35, 812048), (40, 710542), (56, 507530), (70, 406024), (80, 355271), (112, 253765), (140, 203012), (280, 101506), (560, 50753)]