27688400

素因数分解:

$2^4\times 5^2\times {\mathrm{69221}}^1$

素因数の和:69239

約数の個数: 30

約数和(自身を含む): 66522342

約数和(自身を除く): 38833942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 69221, 138442, 276884, 346105, 553768, 692210, 1107536, 1384420, 1730525, 2768840, 3461050, 5537680, 6922100, 13844200, 27688400]

約数ペア:

[(1, 27688400), (2, 13844200), (4, 6922100), (5, 5537680), (8, 3461050), (10, 2768840), (16, 1730525), (20, 1384420), (25, 1107536), (40, 692210), (50, 553768), (80, 346105), (100, 276884), (200, 138442), (400, 69221)]