21932080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 33064400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 307, 376, 380, 470, 614, 752, 760, 893, 940, 1228, 1520, 1535, 1786, 1880, 2456, 3070, 3572, 3760, 4465, 4912, 5833, 6140, 7144, 8930, 11666, 12280, 14288, 14429, 17860, 23332, 24560, 28858, 29165, 35720, 46664, 57716, 58330, 71440, 72145, 93328, 115432, 116660, 144290, 230864, 233320, 274151, 288580, 466640, 548302, 577160, 1096604, 1154320, 1370755, 2193208, 2741510, 4386416, 5483020, 10966040, 21932080]

約数ペア:

[(1, 21932080), (2, 10966040), (4, 5483020), (5, 4386416), (8, 2741510), (10, 2193208), (16, 1370755), (19, 1154320), (20, 1096604), (38, 577160), (40, 548302), (47, 466640), (76, 288580), (80, 274151), (94, 233320), (95, 230864), (152, 144290), (188, 116660), (190, 115432), (235, 93328), (304, 72145), (307, 71440), (376, 58330), (380, 57716), (470, 46664), (614, 35720), (752, 29165), (760, 28858), (893, 24560), (940, 23332), (1228, 17860), (1520, 14429), (1535, 14288), (1786, 12280), (1880, 11666), (2456, 8930), (3070, 7144), (3572, 6140), (3760, 5833), (4465, 4912)]