84131840

素因数分解:

$2^{14}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 220194240

約数和(自身を除く): 136062400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 256, 260, 316, 320, 395, 416, 512, 520, 632, 640, 790, 832, 1024, 1027, 1040, 1264, 1280, 1580, 1664, 2048, 2054, 2080, 2528, 2560, 3160, 3328, 4096, 4108, 4160, 5056, 5120, 5135, 6320, 6656, 8192, 8216, 8320, 10112, 10240, 10270, 12640, 13312, 16384, 16432, 16640, 20224, 20480, 20540, 25280, 26624, 32864, 33280, 40448, 40960, 41080, 50560, 53248, 65728, 66560, 80896, 81920, 82160, 101120, 106496, 131456, 133120, 161792, 164320, 202240, 212992, 262912, 266240, 323584, 328640, 404480, 525824, 532480, 647168, 657280, 808960, 1051648, 1064960, 1294336, 1314560, 1617920, 2103296, 2629120, 3235840, 4206592, 5258240, 6471680, 8413184, 10516480, 16826368, 21032960, 42065920, 84131840]

約数ペア:

[(1, 84131840), (2, 42065920), (4, 21032960), (5, 16826368), (8, 10516480), (10, 8413184), (13, 6471680), (16, 5258240), (20, 4206592), (26, 3235840), (32, 2629120), (40, 2103296), (52, 1617920), (64, 1314560), (65, 1294336), (79, 1064960), (80, 1051648), (104, 808960), (128, 657280), (130, 647168), (158, 532480), (160, 525824), (208, 404480), (256, 328640), (260, 323584), (316, 266240), (320, 262912), (395, 212992), (416, 202240), (512, 164320), (520, 161792), (632, 133120), (640, 131456), (790, 106496), (832, 101120), (1024, 82160), (1027, 81920), (1040, 80896), (1264, 66560), (1280, 65728), (1580, 53248), (1664, 50560), (2048, 41080), (2054, 40960), (2080, 40448), (2528, 33280), (2560, 32864), (3160, 26624), (3328, 25280), (4096, 20540), (4108, 20480), (4160, 20224), (5056, 16640), (5120, 16432), (5135, 16384), (6320, 13312), (6656, 12640), (8192, 10270), (8216, 10240), (8320, 10112)]