20100450520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1\times {\mathrm{4211}}^1$

素因数の和:6808

約数の個数: 64

約数和(自身を含む): 46217433600

約数和(自身を除く): 26116983080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2539, 4211, 5078, 8422, 10156, 12695, 16844, 20312, 21055, 25390, 33688, 42110, 50780, 84220, 101560, 119333, 168440, 197917, 238666, 395834, 477332, 596665, 791668, 954664, 989585, 1193330, 1583336, 1979170, 2386660, 3958340, 4773320, 7916680, 10691729, 21383458, 42766916, 53458645, 85533832, 106917290, 213834580, 427669160, 502511263, 1005022526, 2010045052, 2512556315, 4020090104, 5025112630, 10050225260, 20100450520]

約数ペア:

[(1, 20100450520), (2, 10050225260), (4, 5025112630), (5, 4020090104), (8, 2512556315), (10, 2010045052), (20, 1005022526), (40, 502511263), (47, 427669160), (94, 213834580), (188, 106917290), (235, 85533832), (376, 53458645), (470, 42766916), (940, 21383458), (1880, 10691729), (2539, 7916680), (4211, 4773320), (5078, 3958340), (8422, 2386660), (10156, 1979170), (12695, 1583336), (16844, 1193330), (20312, 989585), (21055, 954664), (25390, 791668), (33688, 596665), (42110, 477332), (50780, 395834), (84220, 238666), (101560, 197917), (119333, 168440)]