12723100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9787}}^1$

素因数の和:9814

約数の個数: 36

約数和(自身を含む): 29735944

約数和(自身を除く): 17012844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 9787, 19574, 39148, 48935, 97870, 127231, 195740, 244675, 254462, 489350, 508924, 636155, 978700, 1272310, 2544620, 3180775, 6361550, 12723100]

約数ペア:

[(1, 12723100), (2, 6361550), (4, 3180775), (5, 2544620), (10, 1272310), (13, 978700), (20, 636155), (25, 508924), (26, 489350), (50, 254462), (52, 244675), (65, 195740), (100, 127231), (130, 97870), (260, 48935), (325, 39148), (650, 19574), (1300, 9787)]