80947750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{24907}}^1$

素因数の和:24937

約数の個数: 32

約数和(自身を含む): 163197216

約数和(自身を除く): 82249466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 24907, 49814, 124535, 249070, 323791, 622675, 647582, 1245350, 1618955, 3113375, 3237910, 6226750, 8094775, 16189550, 40473875, 80947750]

約数ペア:

[(1, 80947750), (2, 40473875), (5, 16189550), (10, 8094775), (13, 6226750), (25, 3237910), (26, 3113375), (50, 1618955), (65, 1245350), (125, 647582), (130, 622675), (250, 323791), (325, 249070), (650, 124535), (1625, 49814), (3250, 24907)]