80486540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3019}}^1$

素因数の和:3102

約数の個数: 48

約数和(自身を含む): 178590720

約数和(自身を除く): 98104180

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 3019, 5332, 6038, 6665, 12076, 13330, 15095, 26660, 30190, 60380, 93589, 129817, 187178, 259634, 374356, 467945, 519268, 649085, 935890, 1298170, 1871780, 2596340, 4024327, 8048654, 16097308, 20121635, 40243270, 80486540]

約数ペア:

[(1, 80486540), (2, 40243270), (4, 20121635), (5, 16097308), (10, 8048654), (20, 4024327), (31, 2596340), (43, 1871780), (62, 1298170), (86, 935890), (124, 649085), (155, 519268), (172, 467945), (215, 374356), (310, 259634), (430, 187178), (620, 129817), (860, 93589), (1333, 60380), (2666, 30190), (3019, 26660), (5332, 15095), (6038, 13330), (6665, 12076)]