77783680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9349}}^1$

素因数の和:9381

約数の個数: 64

約数和(自身を含む): 200277000

約数和(自身を除く): 122493320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9349, 18698, 37396, 46745, 74792, 93490, 121537, 149584, 186980, 243074, 299168, 373960, 486148, 598336, 607685, 747920, 972296, 1196672, 1215370, 1495840, 1944592, 2430740, 2991680, 3889184, 4861480, 5983360, 7778368, 9722960, 15556736, 19445920, 38891840, 77783680]

約数ペア:

[(1, 77783680), (2, 38891840), (4, 19445920), (5, 15556736), (8, 9722960), (10, 7778368), (13, 5983360), (16, 4861480), (20, 3889184), (26, 2991680), (32, 2430740), (40, 1944592), (52, 1495840), (64, 1215370), (65, 1196672), (80, 972296), (104, 747920), (128, 607685), (130, 598336), (160, 486148), (208, 373960), (260, 299168), (320, 243074), (416, 186980), (520, 149584), (640, 121537), (832, 93490), (1040, 74792), (1664, 46745), (2080, 37396), (4160, 18698), (8320, 9349)]