40987520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{1307}}^1$

素因数の和:1340

約数の個数: 96

約数和(自身を含む): 114070680

約数和(自身を除く): 73083160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1307, 1568, 1960, 2240, 2614, 3136, 3920, 4480, 5228, 6272, 6535, 7840, 9149, 10456, 13070, 15680, 18298, 20912, 26140, 31360, 36596, 41824, 45745, 52280, 64043, 73192, 83648, 91490, 104560, 128086, 146384, 167296, 182980, 209120, 256172, 292768, 320215, 365960, 418240, 512344, 585536, 640430, 731920, 836480, 1024688, 1171072, 1280860, 1463840, 2049376, 2561720, 2927680, 4098752, 5123440, 5855360, 8197504, 10246880, 20493760, 40987520]

約数ペア:

[(1, 40987520), (2, 20493760), (4, 10246880), (5, 8197504), (7, 5855360), (8, 5123440), (10, 4098752), (14, 2927680), (16, 2561720), (20, 2049376), (28, 1463840), (32, 1280860), (35, 1171072), (40, 1024688), (49, 836480), (56, 731920), (64, 640430), (70, 585536), (80, 512344), (98, 418240), (112, 365960), (128, 320215), (140, 292768), (160, 256172), (196, 209120), (224, 182980), (245, 167296), (280, 146384), (320, 128086), (392, 104560), (448, 91490), (490, 83648), (560, 73192), (640, 64043), (784, 52280), (896, 45745), (980, 41824), (1120, 36596), (1307, 31360), (1568, 26140), (1960, 20912), (2240, 18298), (2614, 15680), (3136, 13070), (3920, 10456), (4480, 9149), (5228, 7840), (6272, 6535)]