40785920

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{569}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 112039200

約数和(自身を除く): 71253280

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, 569, 640, 896, 1024, 1120, 1138, 1280, 1792, 2048, 2240, 2276, 2560, 2845, 3584, 3983, 4480, 4552, 5120, 5690, 7168, 7966, 8960, 9104, 10240, 11380, 14336, 15932, 17920, 18208, 19915, 22760, 31864, 35840, 36416, 39830, 45520, 63728, 71680, 72832, 79660, 91040, 127456, 145664, 159320, 182080, 254912, 291328, 318640, 364160, 509824, 582656, 637280, 728320, 1019648, 1165312, 1274560, 1456640, 2039296, 2549120, 2913280, 4078592, 5098240, 5826560, 8157184, 10196480, 20392960, 40785920]

約数ペア:

[(1, 40785920), (2, 20392960), (4, 10196480), (5, 8157184), (7, 5826560), (8, 5098240), (10, 4078592), (14, 2913280), (16, 2549120), (20, 2039296), (28, 1456640), (32, 1274560), (35, 1165312), (40, 1019648), (56, 728320), (64, 637280), (70, 582656), (80, 509824), (112, 364160), (128, 318640), (140, 291328), (160, 254912), (224, 182080), (256, 159320), (280, 145664), (320, 127456), (448, 91040), (512, 79660), (560, 72832), (569, 71680), (640, 63728), (896, 45520), (1024, 39830), (1120, 36416), (1138, 35840), (1280, 31864), (1792, 22760), (2048, 19915), (2240, 18208), (2276, 17920), (2560, 15932), (2845, 14336), (3584, 11380), (3983, 10240), (4480, 9104), (4552, 8960), (5120, 7966), (5690, 7168)]