201045520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2552

約数の個数: 80

約数和(自身を含む): 509967360

約数和(自身を除く): 308921840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 2447, 3160, 4108, 4894, 5135, 6320, 8216, 9788, 10270, 12235, 16432, 19576, 20540, 24470, 31811, 39152, 41080, 48940, 63622, 82160, 97880, 127244, 159055, 193313, 195760, 254488, 318110, 386626, 508976, 636220, 773252, 966565, 1272440, 1546504, 1933130, 2513069, 2544880, 3093008, 3866260, 5026138, 7732520, 10052276, 12565345, 15465040, 20104552, 25130690, 40209104, 50261380, 100522760, 201045520]

約数ペア:

[(1, 201045520), (2, 100522760), (4, 50261380), (5, 40209104), (8, 25130690), (10, 20104552), (13, 15465040), (16, 12565345), (20, 10052276), (26, 7732520), (40, 5026138), (52, 3866260), (65, 3093008), (79, 2544880), (80, 2513069), (104, 1933130), (130, 1546504), (158, 1272440), (208, 966565), (260, 773252), (316, 636220), (395, 508976), (520, 386626), (632, 318110), (790, 254488), (1027, 195760), (1040, 193313), (1264, 159055), (1580, 127244), (2054, 97880), (2447, 82160), (3160, 63622), (4108, 48940), (4894, 41080), (5135, 39152), (6320, 31811), (8216, 24470), (9788, 20540), (10270, 19576), (12235, 16432)]