997200640

素因数分解:

$2^8\times 5^1\times {\mathrm{779063}}^1$

素因数の和:779084

約数の個数: 36

約数和(自身を含む): 2388610224

約数和(自身を除く): 1391409584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 779063, 1558126, 3116252, 3895315, 6232504, 7790630, 12465008, 15581260, 24930016, 31162520, 49860032, 62325040, 99720064, 124650080, 199440128, 249300160, 498600320, 997200640]

約数ペア:

[(1, 997200640), (2, 498600320), (4, 249300160), (5, 199440128), (8, 124650080), (10, 99720064), (16, 62325040), (20, 49860032), (32, 31162520), (40, 24930016), (64, 15581260), (80, 12465008), (128, 7790630), (160, 6232504), (256, 3895315), (320, 3116252), (640, 1558126), (1280, 779063)]