820114625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4003}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 1124323200

約数和(自身を除く): 304208575

約数列:

[1, 5, 11, 25, 55, 125, 149, 275, 745, 1375, 1639, 3725, 4003, 8195, 18625, 20015, 40975, 44033, 100075, 204875, 220165, 500375, 596447, 1100825, 2982235, 5504125, 6560917, 14911175, 32804585, 74555875, 164022925, 820114625]

約数ペア:

[(1, 820114625), (5, 164022925), (11, 74555875), (25, 32804585), (55, 14911175), (125, 6560917), (149, 5504125), (275, 2982235), (745, 1100825), (1375, 596447), (1639, 500375), (3725, 220165), (4003, 204875), (8195, 100075), (18625, 44033), (20015, 40975)]