8889406720

素因数分解:

$2^8\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{3989}}^1$

素因数の和:5751

約数の個数: 72

約数和(自身を含む): 21310478280

約数和(自身を除く): 12421071560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1741, 3482, 3989, 6964, 7978, 8705, 13928, 15956, 17410, 19945, 27856, 31912, 34820, 39890, 55712, 63824, 69640, 79780, 111424, 127648, 139280, 159560, 222848, 255296, 278560, 319120, 445696, 510592, 557120, 638240, 1021184, 1114240, 1276480, 2228480, 2552960, 5105920, 6944849, 13889698, 27779396, 34724245, 55558792, 69448490, 111117584, 138896980, 222235168, 277793960, 444470336, 555587920, 888940672, 1111175840, 1777881344, 2222351680, 4444703360, 8889406720]

約数ペア:

[(1, 8889406720), (2, 4444703360), (4, 2222351680), (5, 1777881344), (8, 1111175840), (10, 888940672), (16, 555587920), (20, 444470336), (32, 277793960), (40, 222235168), (64, 138896980), (80, 111117584), (128, 69448490), (160, 55558792), (256, 34724245), (320, 27779396), (640, 13889698), (1280, 6944849), (1741, 5105920), (3482, 2552960), (3989, 2228480), (6964, 1276480), (7978, 1114240), (8705, 1021184), (13928, 638240), (15956, 557120), (17410, 510592), (19945, 445696), (27856, 319120), (31912, 278560), (34820, 255296), (39890, 222848), (55712, 159560), (63824, 139280), (69640, 127648), (79780, 111424)]