1331200

素因数分解:

$2^{12}\times 5^2\times {\mathrm{13}}^1$

素因数の和:47

約数の個数: 78

約数和(自身を含む): 3554894

約数和(自身を除く): 2223694

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1280, 1300, 1600, 1664, 2048, 2080, 2560, 2600, 3200, 3328, 4096, 4160, 5120, 5200, 6400, 6656, 8320, 10240, 10400, 12800, 13312, 16640, 20480, 20800, 25600, 26624, 33280, 41600, 51200, 53248, 66560, 83200, 102400, 133120, 166400, 266240, 332800, 665600, 1331200]

約数ペア:

[(1, 1331200), (2, 665600), (4, 332800), (5, 266240), (8, 166400), (10, 133120), (13, 102400), (16, 83200), (20, 66560), (25, 53248), (26, 51200), (32, 41600), (40, 33280), (50, 26624), (52, 25600), (64, 20800), (65, 20480), (80, 16640), (100, 13312), (104, 12800), (128, 10400), (130, 10240), (160, 8320), (200, 6656), (208, 6400), (256, 5200), (260, 5120), (320, 4160), (325, 4096), (400, 3328), (416, 3200), (512, 2600), (520, 2560), (640, 2080), (650, 2048), (800, 1664), (832, 1600), (1024, 1300), (1040, 1280)]