78264160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 122916512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 191, 197, 208, 260, 382, 394, 416, 520, 764, 788, 955, 985, 1040, 1528, 1576, 1910, 1970, 2080, 2483, 2561, 3056, 3152, 3820, 3940, 4966, 5122, 6112, 6304, 7640, 7880, 9932, 10244, 12415, 12805, 15280, 15760, 19864, 20488, 24830, 25610, 30560, 31520, 37627, 39728, 40976, 49660, 51220, 75254, 79456, 81952, 99320, 102440, 150508, 188135, 198640, 204880, 301016, 376270, 397280, 409760, 489151, 602032, 752540, 978302, 1204064, 1505080, 1956604, 2445755, 3010160, 3913208, 4891510, 6020320, 7826416, 9783020, 15652832, 19566040, 39132080, 78264160]

約数ペア:

[(1, 78264160), (2, 39132080), (4, 19566040), (5, 15652832), (8, 9783020), (10, 7826416), (13, 6020320), (16, 4891510), (20, 3913208), (26, 3010160), (32, 2445755), (40, 1956604), (52, 1505080), (65, 1204064), (80, 978302), (104, 752540), (130, 602032), (160, 489151), (191, 409760), (197, 397280), (208, 376270), (260, 301016), (382, 204880), (394, 198640), (416, 188135), (520, 150508), (764, 102440), (788, 99320), (955, 81952), (985, 79456), (1040, 75254), (1528, 51220), (1576, 49660), (1910, 40976), (1970, 39728), (2080, 37627), (2483, 31520), (2561, 30560), (3056, 25610), (3152, 24830), (3820, 20488), (3940, 19864), (4966, 15760), (5122, 15280), (6112, 12805), (6304, 12415), (7640, 10244), (7880, 9932)]