25329325

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 40711680

約数和(自身を除く): 15382355

約数列:

[1, 5, 7, 23, 25, 29, 31, 35, 49, 115, 145, 155, 161, 175, 203, 217, 245, 575, 667, 713, 725, 775, 805, 899, 1015, 1085, 1127, 1225, 1421, 1519, 3335, 3565, 4025, 4495, 4669, 4991, 5075, 5425, 5635, 6293, 7105, 7595, 16675, 17825, 20677, 22475, 23345, 24955, 28175, 31465, 32683, 34937, 35525, 37975, 44051, 103385, 116725, 124775, 144739, 157325, 163415, 174685, 220255, 516925, 723695, 817075, 873425, 1013173, 1101275, 3618475, 5065865, 25329325]

約数ペア:

[(1, 25329325), (5, 5065865), (7, 3618475), (23, 1101275), (25, 1013173), (29, 873425), (31, 817075), (35, 723695), (49, 516925), (115, 220255), (145, 174685), (155, 163415), (161, 157325), (175, 144739), (203, 124775), (217, 116725), (245, 103385), (575, 44051), (667, 37975), (713, 35525), (725, 34937), (775, 32683), (805, 31465), (899, 28175), (1015, 24955), (1085, 23345), (1127, 22475), (1225, 20677), (1421, 17825), (1519, 16675), (3335, 7595), (3565, 7105), (4025, 6293), (4495, 5635), (4669, 5425), (4991, 5075)]