80880016

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 191880576

約数和(自身を除く): 111000560

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 107, 112, 119, 136, 214, 238, 272, 397, 428, 476, 749, 794, 856, 952, 1498, 1588, 1712, 1819, 1904, 2779, 2996, 3176, 3638, 5558, 5992, 6352, 6749, 7276, 11116, 11984, 12733, 13498, 14552, 22232, 25466, 26996, 29104, 42479, 44464, 47243, 50932, 53992, 84958, 94486, 101864, 107984, 169916, 188972, 203728, 297353, 339832, 377944, 594706, 679664, 722143, 755888, 1189412, 1444286, 2378824, 2888572, 4757648, 5055001, 5777144, 10110002, 11554288, 20220004, 40440008, 80880016]

約数ペア:

[(1, 80880016), (2, 40440008), (4, 20220004), (7, 11554288), (8, 10110002), (14, 5777144), (16, 5055001), (17, 4757648), (28, 2888572), (34, 2378824), (56, 1444286), (68, 1189412), (107, 755888), (112, 722143), (119, 679664), (136, 594706), (214, 377944), (238, 339832), (272, 297353), (397, 203728), (428, 188972), (476, 169916), (749, 107984), (794, 101864), (856, 94486), (952, 84958), (1498, 53992), (1588, 50932), (1712, 47243), (1819, 44464), (1904, 42479), (2779, 29104), (2996, 26996), (3176, 25466), (3638, 22232), (5558, 14552), (5992, 13498), (6352, 12733), (6749, 11984), (7276, 11116)]