78983680

素因数分解:

$2^9\times 5^1\times {\mathrm{30853}}^1$

素因数の和:30876

約数の個数: 40

約数和(自身を含む): 189381852

約数和(自身を除く): 110398172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30853, 61706, 123412, 154265, 246824, 308530, 493648, 617060, 987296, 1234120, 1974592, 2468240, 3949184, 4936480, 7898368, 9872960, 15796736, 19745920, 39491840, 78983680]

約数ペア:

[(1, 78983680), (2, 39491840), (4, 19745920), (5, 15796736), (8, 9872960), (10, 7898368), (16, 4936480), (20, 3949184), (32, 2468240), (40, 1974592), (64, 1234120), (80, 987296), (128, 617060), (160, 493648), (256, 308530), (320, 246824), (512, 154265), (640, 123412), (1280, 61706), (2560, 30853)]