28024400

素因数分解:

$2^4\times 5^2\times {\mathrm{70061}}^1$

素因数の和:70079

約数の個数: 30

約数和(自身を含む): 67329582

約数和(自身を除く): 39305182

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70061, 140122, 280244, 350305, 560488, 700610, 1120976, 1401220, 1751525, 2802440, 3503050, 5604880, 7006100, 14012200, 28024400]

約数ペア:

[(1, 28024400), (2, 14012200), (4, 7006100), (5, 5604880), (8, 3503050), (10, 2802440), (16, 1751525), (20, 1401220), (25, 1120976), (40, 700610), (50, 560488), (80, 350305), (100, 280244), (200, 140122), (400, 70061)]