25250525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 36158400

約数和(自身を除く): 10907875

約数列:

[1, 5, 17, 19, 25, 53, 59, 85, 95, 265, 295, 323, 425, 475, 901, 1003, 1007, 1121, 1325, 1475, 1615, 3127, 4505, 5015, 5035, 5605, 8075, 15635, 17119, 19057, 22525, 25075, 25175, 28025, 53159, 59413, 78175, 85595, 95285, 265795, 297065, 427975, 476425, 1010021, 1328975, 1485325, 5050105, 25250525]

約数ペア:

[(1, 25250525), (5, 5050105), (17, 1485325), (19, 1328975), (25, 1010021), (53, 476425), (59, 427975), (85, 297065), (95, 265795), (265, 95285), (295, 85595), (323, 78175), (425, 59413), (475, 53159), (901, 28025), (1003, 25175), (1007, 25075), (1121, 22525), (1325, 19057), (1475, 17119), (1615, 15635), (3127, 8075), (4505, 5605), (5015, 5035)]