13389700

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:792

約数の個数: 36

約数和(自身を含む): 29224692

約数和(自身を除く): 15834992

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 521, 1028, 1042, 1285, 2084, 2570, 2605, 5140, 5210, 6425, 10420, 12850, 13025, 25700, 26050, 52100, 133897, 267794, 535588, 669485, 1338970, 2677940, 3347425, 6694850, 13389700]

約数ペア:

[(1, 13389700), (2, 6694850), (4, 3347425), (5, 2677940), (10, 1338970), (20, 669485), (25, 535588), (50, 267794), (100, 133897), (257, 52100), (514, 26050), (521, 25700), (1028, 13025), (1042, 12850), (1285, 10420), (2084, 6425), (2570, 5210), (2605, 5140)]