624640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{61}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 1523340

約数和(自身を除く): 898700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1024, 1220, 1280, 1952, 2048, 2440, 2560, 3904, 4880, 5120, 7808, 9760, 10240, 15616, 19520, 31232, 39040, 62464, 78080, 124928, 156160, 312320, 624640]

約数ペア:

[(1, 624640), (2, 312320), (4, 156160), (5, 124928), (8, 78080), (10, 62464), (16, 39040), (20, 31232), (32, 19520), (40, 15616), (61, 10240), (64, 9760), (80, 7808), (122, 5120), (128, 4880), (160, 3904), (244, 2560), (256, 2440), (305, 2048), (320, 1952), (488, 1280), (512, 1220), (610, 1024), (640, 976)]