1384960

素因数分解:

$2^9\times 5^1\times {\mathrm{541}}^1$

素因数の和:564

約数の個数: 40

約数和(自身を含む): 3326796

約数和(自身を除く): 1941836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 541, 640, 1082, 1280, 2164, 2560, 2705, 4328, 5410, 8656, 10820, 17312, 21640, 34624, 43280, 69248, 86560, 138496, 173120, 276992, 346240, 692480, 1384960]

約数ペア:

[(1, 1384960), (2, 692480), (4, 346240), (5, 276992), (8, 173120), (10, 138496), (16, 86560), (20, 69248), (32, 43280), (40, 34624), (64, 21640), (80, 17312), (128, 10820), (160, 8656), (256, 5410), (320, 4328), (512, 2705), (541, 2560), (640, 2164), (1082, 1280)]