39578240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 104872320

約数和(自身を除く): 65294080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 71, 80, 104, 128, 130, 134, 142, 160, 208, 260, 268, 284, 320, 335, 355, 416, 520, 536, 568, 640, 670, 710, 832, 871, 923, 1040, 1072, 1136, 1340, 1420, 1664, 1742, 1846, 2080, 2144, 2272, 2680, 2840, 3484, 3692, 4160, 4288, 4355, 4544, 4615, 4757, 5360, 5680, 6968, 7384, 8320, 8576, 8710, 9088, 9230, 9514, 10720, 11360, 13936, 14768, 17420, 18460, 19028, 21440, 22720, 23785, 27872, 29536, 34840, 36920, 38056, 42880, 45440, 47570, 55744, 59072, 61841, 69680, 73840, 76112, 95140, 111488, 118144, 123682, 139360, 147680, 152224, 190280, 247364, 278720, 295360, 304448, 309205, 380560, 494728, 557440, 590720, 608896, 618410, 761120, 989456, 1236820, 1522240, 1978912, 2473640, 3044480, 3957824, 4947280, 7915648, 9894560, 19789120, 39578240]

約数ペア:

[(1, 39578240), (2, 19789120), (4, 9894560), (5, 7915648), (8, 4947280), (10, 3957824), (13, 3044480), (16, 2473640), (20, 1978912), (26, 1522240), (32, 1236820), (40, 989456), (52, 761120), (64, 618410), (65, 608896), (67, 590720), (71, 557440), (80, 494728), (104, 380560), (128, 309205), (130, 304448), (134, 295360), (142, 278720), (160, 247364), (208, 190280), (260, 152224), (268, 147680), (284, 139360), (320, 123682), (335, 118144), (355, 111488), (416, 95140), (520, 76112), (536, 73840), (568, 69680), (640, 61841), (670, 59072), (710, 55744), (832, 47570), (871, 45440), (923, 42880), (1040, 38056), (1072, 36920), (1136, 34840), (1340, 29536), (1420, 27872), (1664, 23785), (1742, 22720), (1846, 21440), (2080, 19028), (2144, 18460), (2272, 17420), (2680, 14768), (2840, 13936), (3484, 11360), (3692, 10720), (4160, 9514), (4288, 9230), (4355, 9088), (4544, 8710), (4615, 8576), (4757, 8320), (5360, 7384), (5680, 6968)]