40445440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 160

約数和(自身を含む): 115689024

約数和(自身を除く): 75243584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 61, 64, 70, 74, 80, 112, 122, 128, 140, 148, 160, 185, 224, 244, 256, 259, 280, 296, 305, 320, 370, 427, 448, 488, 512, 518, 560, 592, 610, 640, 740, 854, 896, 976, 1036, 1120, 1184, 1220, 1280, 1295, 1480, 1708, 1792, 1952, 2072, 2135, 2240, 2257, 2368, 2440, 2560, 2590, 2960, 3416, 3584, 3904, 4144, 4270, 4480, 4514, 4736, 4880, 5180, 5920, 6832, 7808, 8288, 8540, 8960, 9028, 9472, 9760, 10360, 11285, 11840, 13664, 15616, 15799, 16576, 17080, 17920, 18056, 18944, 19520, 20720, 22570, 23680, 27328, 31232, 31598, 33152, 34160, 36112, 39040, 41440, 45140, 47360, 54656, 63196, 66304, 68320, 72224, 78080, 78995, 82880, 90280, 94720, 109312, 126392, 132608, 136640, 144448, 156160, 157990, 165760, 180560, 218624, 252784, 273280, 288896, 315980, 331520, 361120, 505568, 546560, 577792, 631960, 663040, 722240, 1011136, 1093120, 1155584, 1263920, 1444480, 2022272, 2527840, 2888960, 4044544, 5055680, 5777920, 8089088, 10111360, 20222720, 40445440]

約数ペア:

[(1, 40445440), (2, 20222720), (4, 10111360), (5, 8089088), (7, 5777920), (8, 5055680), (10, 4044544), (14, 2888960), (16, 2527840), (20, 2022272), (28, 1444480), (32, 1263920), (35, 1155584), (37, 1093120), (40, 1011136), (56, 722240), (61, 663040), (64, 631960), (70, 577792), (74, 546560), (80, 505568), (112, 361120), (122, 331520), (128, 315980), (140, 288896), (148, 273280), (160, 252784), (185, 218624), (224, 180560), (244, 165760), (256, 157990), (259, 156160), (280, 144448), (296, 136640), (305, 132608), (320, 126392), (370, 109312), (427, 94720), (448, 90280), (488, 82880), (512, 78995), (518, 78080), (560, 72224), (592, 68320), (610, 66304), (640, 63196), (740, 54656), (854, 47360), (896, 45140), (976, 41440), (1036, 39040), (1120, 36112), (1184, 34160), (1220, 33152), (1280, 31598), (1295, 31232), (1480, 27328), (1708, 23680), (1792, 22570), (1952, 20720), (2072, 19520), (2135, 18944), (2240, 18056), (2257, 17920), (2368, 17080), (2440, 16576), (2560, 15799), (2590, 15616), (2960, 13664), (3416, 11840), (3584, 11285), (3904, 10360), (4144, 9760), (4270, 9472), (4480, 9028), (4514, 8960), (4736, 8540), (4880, 8288), (5180, 7808), (5920, 6832)]