25608700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19726

約数の個数: 36

約数和(自身を含む): 59848600

約数和(自身を除く): 34239900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19699, 39398, 78796, 98495, 196990, 256087, 393980, 492475, 512174, 984950, 1024348, 1280435, 1969900, 2560870, 5121740, 6402175, 12804350, 25608700]

約数ペア:

[(1, 25608700), (2, 12804350), (4, 6402175), (5, 5121740), (10, 2560870), (13, 1969900), (20, 1280435), (25, 1024348), (26, 984950), (50, 512174), (52, 492475), (65, 393980), (100, 256087), (130, 196990), (260, 98495), (325, 78796), (650, 39398), (1300, 19699)]