86678800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 228179840

約数和(自身を除く): 141501040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 100, 104, 130, 158, 200, 208, 211, 260, 316, 325, 395, 400, 422, 520, 632, 650, 790, 844, 1027, 1040, 1055, 1264, 1300, 1580, 1688, 1975, 2054, 2110, 2600, 2743, 3160, 3376, 3950, 4108, 4220, 5135, 5200, 5275, 5486, 6320, 7900, 8216, 8440, 10270, 10550, 10972, 13715, 15800, 16432, 16669, 16880, 20540, 21100, 21944, 25675, 27430, 31600, 33338, 41080, 42200, 43888, 51350, 54860, 66676, 68575, 82160, 83345, 84400, 102700, 109720, 133352, 137150, 166690, 205400, 216697, 219440, 266704, 274300, 333380, 410800, 416725, 433394, 548600, 666760, 833450, 866788, 1083485, 1097200, 1333520, 1666900, 1733576, 2166970, 3333800, 3467152, 4333940, 5417425, 6667600, 8667880, 10834850, 17335760, 21669700, 43339400, 86678800]

約数ペア:

[(1, 86678800), (2, 43339400), (4, 21669700), (5, 17335760), (8, 10834850), (10, 8667880), (13, 6667600), (16, 5417425), (20, 4333940), (25, 3467152), (26, 3333800), (40, 2166970), (50, 1733576), (52, 1666900), (65, 1333520), (79, 1097200), (80, 1083485), (100, 866788), (104, 833450), (130, 666760), (158, 548600), (200, 433394), (208, 416725), (211, 410800), (260, 333380), (316, 274300), (325, 266704), (395, 219440), (400, 216697), (422, 205400), (520, 166690), (632, 137150), (650, 133352), (790, 109720), (844, 102700), (1027, 84400), (1040, 83345), (1055, 82160), (1264, 68575), (1300, 66676), (1580, 54860), (1688, 51350), (1975, 43888), (2054, 42200), (2110, 41080), (2600, 33338), (2743, 31600), (3160, 27430), (3376, 25675), (3950, 21944), (4108, 21100), (4220, 20540), (5135, 16880), (5200, 16669), (5275, 16432), (5486, 15800), (6320, 13715), (7900, 10972), (8216, 10550), (8440, 10270)]