129151700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{12539}}^1$

素因数の和:12656

約数の個数: 36

約数和(自身を含む): 283002720

約数和(自身を除く): 153851020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 12539, 25078, 50156, 62695, 125390, 250780, 313475, 626950, 1253900, 1291517, 2583034, 5166068, 6457585, 12915170, 25830340, 32287925, 64575850, 129151700]

約数ペア:

[(1, 129151700), (2, 64575850), (4, 32287925), (5, 25830340), (10, 12915170), (20, 6457585), (25, 5166068), (50, 2583034), (100, 1291517), (103, 1253900), (206, 626950), (412, 313475), (515, 250780), (1030, 125390), (2060, 62695), (2575, 50156), (5150, 25078), (10300, 12539)]