51257725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 70253440

約数和(自身を除く): 18995715

約数列:

[1, 5, 19, 25, 31, 59, 95, 155, 295, 475, 589, 775, 1121, 1475, 1829, 2945, 3481, 5605, 9145, 14725, 17405, 28025, 34751, 45725, 66139, 87025, 107911, 173755, 330695, 539555, 868775, 1653475, 2050309, 2697775, 10251545, 51257725]

約数ペア:

[(1, 51257725), (5, 10251545), (19, 2697775), (25, 2050309), (31, 1653475), (59, 868775), (95, 539555), (155, 330695), (295, 173755), (475, 107911), (589, 87025), (775, 66139), (1121, 45725), (1475, 34751), (1829, 28025), (2945, 17405), (3481, 14725), (5605, 9145)]