12702560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 33530112

約数和(自身を除く): 20827552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 197, 208, 248, 260, 310, 394, 403, 416, 496, 520, 620, 788, 806, 985, 992, 1040, 1240, 1576, 1612, 1970, 2015, 2080, 2480, 2561, 3152, 3224, 3940, 4030, 4960, 5122, 6107, 6304, 6448, 7880, 8060, 10244, 12214, 12805, 12896, 15760, 16120, 20488, 24428, 25610, 30535, 31520, 32240, 40976, 48856, 51220, 61070, 64480, 79391, 81952, 97712, 102440, 122140, 158782, 195424, 204880, 244280, 317564, 396955, 409760, 488560, 635128, 793910, 977120, 1270256, 1587820, 2540512, 3175640, 6351280, 12702560]

約数ペア:

[(1, 12702560), (2, 6351280), (4, 3175640), (5, 2540512), (8, 1587820), (10, 1270256), (13, 977120), (16, 793910), (20, 635128), (26, 488560), (31, 409760), (32, 396955), (40, 317564), (52, 244280), (62, 204880), (65, 195424), (80, 158782), (104, 122140), (124, 102440), (130, 97712), (155, 81952), (160, 79391), (197, 64480), (208, 61070), (248, 51220), (260, 48856), (310, 40976), (394, 32240), (403, 31520), (416, 30535), (496, 25610), (520, 24428), (620, 20488), (788, 16120), (806, 15760), (985, 12896), (992, 12805), (1040, 12214), (1240, 10244), (1576, 8060), (1612, 7880), (1970, 6448), (2015, 6304), (2080, 6107), (2480, 5122), (2561, 4960), (3152, 4030), (3224, 3940)]