128238080

素因数分解:

$2^9\times 5^1\times {\mathrm{50093}}^1$

素因数の和:50116

約数の個数: 40

約数和(自身を含む): 307476972

約数和(自身を除く): 179238892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 50093, 100186, 200372, 250465, 400744, 500930, 801488, 1001860, 1602976, 2003720, 3205952, 4007440, 6411904, 8014880, 12823808, 16029760, 25647616, 32059520, 64119040, 128238080]

約数ペア:

[(1, 128238080), (2, 64119040), (4, 32059520), (5, 25647616), (8, 16029760), (10, 12823808), (16, 8014880), (20, 6411904), (32, 4007440), (40, 3205952), (64, 2003720), (80, 1602976), (128, 1001860), (160, 801488), (256, 500930), (320, 400744), (512, 250465), (640, 200372), (1280, 100186), (2560, 50093)]