81103360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2473

約数の個数: 80

約数和(自身を含む): 209502216

約数和(自身を除く): 128398856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2437, 2560, 3328, 4160, 4874, 6656, 8320, 9748, 12185, 16640, 19496, 24370, 31681, 33280, 38992, 48740, 63362, 77984, 97480, 126724, 155968, 158405, 194960, 253448, 311936, 316810, 389920, 506896, 623872, 633620, 779840, 1013792, 1247744, 1267240, 1559680, 2027584, 2534480, 3119360, 4055168, 5068960, 6238720, 8110336, 10137920, 16220672, 20275840, 40551680, 81103360]

約数ペア:

[(1, 81103360), (2, 40551680), (4, 20275840), (5, 16220672), (8, 10137920), (10, 8110336), (13, 6238720), (16, 5068960), (20, 4055168), (26, 3119360), (32, 2534480), (40, 2027584), (52, 1559680), (64, 1267240), (65, 1247744), (80, 1013792), (104, 779840), (128, 633620), (130, 623872), (160, 506896), (208, 389920), (256, 316810), (260, 311936), (320, 253448), (416, 194960), (512, 158405), (520, 155968), (640, 126724), (832, 97480), (1040, 77984), (1280, 63362), (1664, 48740), (2080, 38992), (2437, 33280), (2560, 31681), (3328, 24370), (4160, 19496), (4874, 16640), (6656, 12185), (8320, 9748)]