13031440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 32341680

約数和(自身を除く): 19310240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 137, 145, 164, 205, 232, 274, 290, 328, 410, 464, 548, 580, 656, 685, 820, 1096, 1160, 1189, 1370, 1640, 2192, 2320, 2378, 2740, 3280, 3973, 4756, 5480, 5617, 5945, 7946, 9512, 10960, 11234, 11890, 15892, 19024, 19865, 22468, 23780, 28085, 31784, 39730, 44936, 47560, 56170, 63568, 79460, 89872, 95120, 112340, 158920, 162893, 224680, 317840, 325786, 449360, 651572, 814465, 1303144, 1628930, 2606288, 3257860, 6515720, 13031440]

約数ペア:

[(1, 13031440), (2, 6515720), (4, 3257860), (5, 2606288), (8, 1628930), (10, 1303144), (16, 814465), (20, 651572), (29, 449360), (40, 325786), (41, 317840), (58, 224680), (80, 162893), (82, 158920), (116, 112340), (137, 95120), (145, 89872), (164, 79460), (205, 63568), (232, 56170), (274, 47560), (290, 44936), (328, 39730), (410, 31784), (464, 28085), (548, 23780), (580, 22468), (656, 19865), (685, 19024), (820, 15892), (1096, 11890), (1160, 11234), (1189, 10960), (1370, 9512), (1640, 7946), (2192, 5945), (2320, 5617), (2378, 5480), (2740, 4756), (3280, 3973)]