18752560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 46202400

約数和(自身を除く): 27449840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 137, 145, 232, 236, 274, 290, 295, 464, 472, 548, 580, 590, 685, 944, 1096, 1160, 1180, 1370, 1711, 2192, 2320, 2360, 2740, 3422, 3973, 4720, 5480, 6844, 7946, 8083, 8555, 10960, 13688, 15892, 16166, 17110, 19865, 27376, 31784, 32332, 34220, 39730, 40415, 63568, 64664, 68440, 79460, 80830, 129328, 136880, 158920, 161660, 234407, 317840, 323320, 468814, 646640, 937628, 1172035, 1875256, 2344070, 3750512, 4688140, 9376280, 18752560]

約数ペア:

[(1, 18752560), (2, 9376280), (4, 4688140), (5, 3750512), (8, 2344070), (10, 1875256), (16, 1172035), (20, 937628), (29, 646640), (40, 468814), (58, 323320), (59, 317840), (80, 234407), (116, 161660), (118, 158920), (137, 136880), (145, 129328), (232, 80830), (236, 79460), (274, 68440), (290, 64664), (295, 63568), (464, 40415), (472, 39730), (548, 34220), (580, 32332), (590, 31784), (685, 27376), (944, 19865), (1096, 17110), (1160, 16166), (1180, 15892), (1370, 13688), (1711, 10960), (2192, 8555), (2320, 8083), (2360, 7946), (2740, 6844), (3422, 5480), (3973, 4720)]