25735580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 60723936

約数和(自身を除く): 34988356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 103, 124, 130, 155, 206, 260, 310, 403, 412, 515, 620, 806, 961, 1030, 1339, 1612, 1922, 2015, 2060, 2678, 3193, 3844, 4030, 4805, 5356, 6386, 6695, 8060, 9610, 12493, 12772, 13390, 15965, 19220, 24986, 26780, 31930, 41509, 49972, 62465, 63860, 83018, 98983, 124930, 166036, 197966, 207545, 249860, 395932, 415090, 494915, 830180, 989830, 1286779, 1979660, 2573558, 5147116, 6433895, 12867790, 25735580]

約数ペア:

[(1, 25735580), (2, 12867790), (4, 6433895), (5, 5147116), (10, 2573558), (13, 1979660), (20, 1286779), (26, 989830), (31, 830180), (52, 494915), (62, 415090), (65, 395932), (103, 249860), (124, 207545), (130, 197966), (155, 166036), (206, 124930), (260, 98983), (310, 83018), (403, 63860), (412, 62465), (515, 49972), (620, 41509), (806, 31930), (961, 26780), (1030, 24986), (1339, 19220), (1612, 15965), (1922, 13390), (2015, 12772), (2060, 12493), (2678, 9610), (3193, 8060), (3844, 6695), (4030, 6386), (4805, 5356)]