80405080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41023}}^1$

素因数の和:41048

約数の個数: 48

約数和(自身を含む): 210453120

約数和(自身を除く): 130048040

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, 41023, 82046, 164092, 205115, 287161, 328184, 410230, 574322, 820460, 1148644, 1435805, 1640920, 2010127, 2297288, 2871610, 4020254, 5743220, 8040508, 10050635, 11486440, 16081016, 20101270, 40202540, 80405080]

約数ペア:

[(1, 80405080), (2, 40202540), (4, 20101270), (5, 16081016), (7, 11486440), (8, 10050635), (10, 8040508), (14, 5743220), (20, 4020254), (28, 2871610), (35, 2297288), (40, 2010127), (49, 1640920), (56, 1435805), (70, 1148644), (98, 820460), (140, 574322), (196, 410230), (245, 328184), (280, 287161), (392, 205115), (490, 164092), (980, 82046), (1960, 41023)]