51197440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2887

約数の個数: 80

約数和(自身を含む): 140339232

約数和(自身を除く): 89141792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 2857, 3584, 4480, 5714, 8960, 11428, 14285, 17920, 19999, 22856, 28570, 39998, 45712, 57140, 79996, 91424, 99995, 114280, 159992, 182848, 199990, 228560, 319984, 365696, 399980, 457120, 639968, 731392, 799960, 914240, 1279936, 1462784, 1599920, 1828480, 2559872, 3199840, 3656960, 5119744, 6399680, 7313920, 10239488, 12799360, 25598720, 51197440]

約数ペア:

[(1, 51197440), (2, 25598720), (4, 12799360), (5, 10239488), (7, 7313920), (8, 6399680), (10, 5119744), (14, 3656960), (16, 3199840), (20, 2559872), (28, 1828480), (32, 1599920), (35, 1462784), (40, 1279936), (56, 914240), (64, 799960), (70, 731392), (80, 639968), (112, 457120), (128, 399980), (140, 365696), (160, 319984), (224, 228560), (256, 199990), (280, 182848), (320, 159992), (448, 114280), (512, 99995), (560, 91424), (640, 79996), (896, 57140), (1120, 45712), (1280, 39998), (1792, 28570), (2240, 22856), (2560, 19999), (2857, 17920), (3584, 14285), (4480, 11428), (5714, 8960)]