88440400

素因数分解:

$2^4\times 5^2\times {\mathrm{221101}}^1$

素因数の和:221119

約数の個数: 30

約数和(自身を含む): 212479022

約数和(自身を除く): 124038622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 221101, 442202, 884404, 1105505, 1768808, 2211010, 3537616, 4422020, 5527525, 8844040, 11055050, 17688080, 22110100, 44220200, 88440400]

約数ペア:

[(1, 88440400), (2, 44220200), (4, 22110100), (5, 17688080), (8, 11055050), (10, 8844040), (16, 5527525), (20, 4422020), (25, 3537616), (40, 2211010), (50, 1768808), (80, 1105505), (100, 884404), (200, 442202), (400, 221101)]