8104400

素因数分解:

$2^4\times 5^2\times {\mathrm{20261}}^1$

素因数の和:20279

約数の個数: 30

約数和(自身を含む): 19471782

約数和(自身を除く): 11367382

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20261, 40522, 81044, 101305, 162088, 202610, 324176, 405220, 506525, 810440, 1013050, 1620880, 2026100, 4052200, 8104400]

約数ペア:

[(1, 8104400), (2, 4052200), (4, 2026100), (5, 1620880), (8, 1013050), (10, 810440), (16, 506525), (20, 405220), (25, 324176), (40, 202610), (50, 162088), (80, 101305), (100, 81044), (200, 40522), (400, 20261)]