25991050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 25568150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 251, 475, 502, 545, 950, 1090, 1255, 2071, 2510, 2725, 4142, 4769, 5450, 6275, 9538, 10355, 12550, 20710, 23845, 27359, 47690, 51775, 54718, 103550, 119225, 136795, 238450, 273590, 519821, 683975, 1039642, 1367950, 2599105, 5198210, 12995525, 25991050]

約数ペア:

[(1, 25991050), (2, 12995525), (5, 5198210), (10, 2599105), (19, 1367950), (25, 1039642), (38, 683975), (50, 519821), (95, 273590), (109, 238450), (190, 136795), (218, 119225), (251, 103550), (475, 54718), (502, 51775), (545, 47690), (950, 27359), (1090, 23845), (1255, 20710), (2071, 12550), (2510, 10355), (2725, 9538), (4142, 6275), (4769, 5450)]