25981835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 12241525

約数列:

[1, 5, 11, 19, 23, 47, 55, 95, 115, 209, 235, 253, 437, 517, 529, 893, 1045, 1081, 1265, 2185, 2585, 2645, 4465, 4807, 5405, 5819, 9823, 10051, 11891, 20539, 24035, 24863, 29095, 49115, 50255, 59455, 102695, 110561, 124315, 225929, 273493, 472397, 552805, 1129645, 1367465, 2361985, 5196367, 25981835]

約数ペア:

[(1, 25981835), (5, 5196367), (11, 2361985), (19, 1367465), (23, 1129645), (47, 552805), (55, 472397), (95, 273493), (115, 225929), (209, 124315), (235, 110561), (253, 102695), (437, 59455), (517, 50255), (529, 49115), (893, 29095), (1045, 24863), (1081, 24035), (1265, 20539), (2185, 11891), (2585, 10051), (2645, 9823), (4465, 5819), (4807, 5405)]