78480800

素因数分解:

$2^5\times 5^2\times {\mathrm{98101}}^1$

素因数の和:98121

約数の個数: 36

約数和(自身を含む): 191593206

約数和(自身を除く): 113112406

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 98101, 196202, 392404, 490505, 784808, 981010, 1569616, 1962020, 2452525, 3139232, 3924040, 4905050, 7848080, 9810100, 15696160, 19620200, 39240400, 78480800]

約数ペア:

[(1, 78480800), (2, 39240400), (4, 19620200), (5, 15696160), (8, 9810100), (10, 7848080), (16, 4905050), (20, 3924040), (25, 3139232), (32, 2452525), (40, 1962020), (50, 1569616), (80, 981010), (100, 784808), (160, 490505), (200, 392404), (400, 196202), (800, 98101)]