979256680

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{18731}}^1$

素因数の和:20049

約数の個数: 32

約数和(自身を含む): 2205131040

約数和(自身を除く): 1225874360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 18731, 26140, 37462, 52280, 74924, 93655, 149848, 187310, 374620, 749240, 24481417, 48962834, 97925668, 122407085, 195851336, 244814170, 489628340, 979256680]

約数ペア:

[(1, 979256680), (2, 489628340), (4, 244814170), (5, 195851336), (8, 122407085), (10, 97925668), (20, 48962834), (40, 24481417), (1307, 749240), (2614, 374620), (5228, 187310), (6535, 149848), (10456, 93655), (13070, 74924), (18731, 52280), (26140, 37462)]