40961440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 106686720

約数和(自身を除く): 65725280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 416, 419, 470, 520, 611, 752, 838, 940, 1040, 1222, 1504, 1676, 1880, 2080, 2095, 2444, 3055, 3352, 3760, 4190, 4888, 5447, 6110, 6704, 7520, 8380, 9776, 10894, 12220, 13408, 16760, 19552, 19693, 21788, 24440, 27235, 33520, 39386, 43576, 48880, 54470, 67040, 78772, 87152, 97760, 98465, 108940, 157544, 174304, 196930, 217880, 256009, 315088, 393860, 435760, 512018, 630176, 787720, 871520, 1024036, 1280045, 1575440, 2048072, 2560090, 3150880, 4096144, 5120180, 8192288, 10240360, 20480720, 40961440]

約数ペア:

[(1, 40961440), (2, 20480720), (4, 10240360), (5, 8192288), (8, 5120180), (10, 4096144), (13, 3150880), (16, 2560090), (20, 2048072), (26, 1575440), (32, 1280045), (40, 1024036), (47, 871520), (52, 787720), (65, 630176), (80, 512018), (94, 435760), (104, 393860), (130, 315088), (160, 256009), (188, 217880), (208, 196930), (235, 174304), (260, 157544), (376, 108940), (416, 98465), (419, 97760), (470, 87152), (520, 78772), (611, 67040), (752, 54470), (838, 48880), (940, 43576), (1040, 39386), (1222, 33520), (1504, 27235), (1676, 24440), (1880, 21788), (2080, 19693), (2095, 19552), (2444, 16760), (3055, 13408), (3352, 12220), (3760, 10894), (4190, 9776), (4888, 8380), (5447, 7520), (6110, 6704)]