286720

素因数分解:

$2^{13}\times 5^1\times 7^1$

素因数の和:38

約数の個数: 56

約数和(自身を含む): 786384

約数和(自身を除く): 499664

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, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4096, 4480, 5120, 7168, 8192, 8960, 10240, 14336, 17920, 20480, 28672, 35840, 40960, 57344, 71680, 143360, 286720]

約数ペア:

[(1, 286720), (2, 143360), (4, 71680), (5, 57344), (7, 40960), (8, 35840), (10, 28672), (14, 20480), (16, 17920), (20, 14336), (28, 10240), (32, 8960), (35, 8192), (40, 7168), (56, 5120), (64, 4480), (70, 4096), (80, 3584), (112, 2560), (128, 2240), (140, 2048), (160, 1792), (224, 1280), (256, 1120), (280, 1024), (320, 896), (448, 640), (512, 560)]