11486720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:671

約数の個数: 80

約数和(自身を含む): 31524768

約数和(自身を除く): 20038048

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, 641, 896, 1120, 1280, 1282, 1792, 2240, 2560, 2564, 3205, 3584, 4480, 4487, 5128, 6410, 8960, 8974, 10256, 12820, 17920, 17948, 20512, 22435, 25640, 35896, 41024, 44870, 51280, 71792, 82048, 89740, 102560, 143584, 164096, 179480, 205120, 287168, 328192, 358960, 410240, 574336, 717920, 820480, 1148672, 1435840, 1640960, 2297344, 2871680, 5743360, 11486720]

約数ペア:

[(1, 11486720), (2, 5743360), (4, 2871680), (5, 2297344), (7, 1640960), (8, 1435840), (10, 1148672), (14, 820480), (16, 717920), (20, 574336), (28, 410240), (32, 358960), (35, 328192), (40, 287168), (56, 205120), (64, 179480), (70, 164096), (80, 143584), (112, 102560), (128, 89740), (140, 82048), (160, 71792), (224, 51280), (256, 44870), (280, 41024), (320, 35896), (448, 25640), (512, 22435), (560, 20512), (640, 17948), (641, 17920), (896, 12820), (1120, 10256), (1280, 8974), (1282, 8960), (1792, 6410), (2240, 5128), (2560, 4487), (2564, 4480), (3205, 3584)]