80452120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41047}}^1$

素因数の和:41072

約数の個数: 48

約数和(自身を含む): 210576240

約数和(自身を除く): 130124120

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, 41047, 82094, 164188, 205235, 287329, 328376, 410470, 574658, 820940, 1149316, 1436645, 1641880, 2011303, 2298632, 2873290, 4022606, 5746580, 8045212, 10056515, 11493160, 16090424, 20113030, 40226060, 80452120]

約数ペア:

[(1, 80452120), (2, 40226060), (4, 20113030), (5, 16090424), (7, 11493160), (8, 10056515), (10, 8045212), (14, 5746580), (20, 4022606), (28, 2873290), (35, 2298632), (40, 2011303), (49, 1641880), (56, 1436645), (70, 1149316), (98, 820940), (140, 574658), (196, 410470), (245, 328376), (280, 287329), (392, 205235), (490, 164188), (980, 82094), (1960, 41047)]