20565862500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{548423}}^1$

素因数の和:548455

約数の個数: 72

約数和(自身を含む): 59980036032

約数和(自身を除く): 39414173532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3125, 3750, 6250, 7500, 9375, 12500, 18750, 37500, 548423, 1096846, 1645269, 2193692, 2742115, 3290538, 5484230, 6581076, 8226345, 10968460, 13710575, 16452690, 27421150, 32905380, 41131725, 54842300, 68552875, 82263450, 137105750, 164526900, 205658625, 274211500, 342764375, 411317250, 685528750, 822634500, 1028293125, 1371057500, 1713821875, 2056586250, 3427643750, 4113172500, 5141465625, 6855287500, 10282931250, 20565862500]

約数ペア:

[(1, 20565862500), (2, 10282931250), (3, 6855287500), (4, 5141465625), (5, 4113172500), (6, 3427643750), (10, 2056586250), (12, 1713821875), (15, 1371057500), (20, 1028293125), (25, 822634500), (30, 685528750), (50, 411317250), (60, 342764375), (75, 274211500), (100, 205658625), (125, 164526900), (150, 137105750), (250, 82263450), (300, 68552875), (375, 54842300), (500, 41131725), (625, 32905380), (750, 27421150), (1250, 16452690), (1500, 13710575), (1875, 10968460), (2500, 8226345), (3125, 6581076), (3750, 5484230), (6250, 3290538), (7500, 2742115), (9375, 2193692), (12500, 1645269), (18750, 1096846), (37500, 548423)]