25904375

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 38387712

約数和(自身を除く): 12483337

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 191, 217, 625, 775, 875, 955, 1085, 1337, 3875, 4375, 4775, 5425, 5921, 6685, 19375, 23875, 27125, 29605, 33425, 41447, 119375, 135625, 148025, 167125, 207235, 740125, 835625, 1036175, 3700625, 5180875, 25904375]

約数ペア:

[(1, 25904375), (5, 5180875), (7, 3700625), (25, 1036175), (31, 835625), (35, 740125), (125, 207235), (155, 167125), (175, 148025), (191, 135625), (217, 119375), (625, 41447), (775, 33425), (875, 29605), (955, 27125), (1085, 23875), (1337, 19375), (3875, 6685), (4375, 5921), (4775, 5425)]