51471160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 130122720

約数和(自身を除く): 78651560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 103, 104, 124, 130, 155, 206, 248, 260, 310, 403, 412, 515, 520, 620, 806, 824, 961, 1030, 1240, 1339, 1612, 1922, 2015, 2060, 2678, 3193, 3224, 3844, 4030, 4120, 4805, 5356, 6386, 6695, 7688, 8060, 9610, 10712, 12493, 12772, 13390, 15965, 16120, 19220, 24986, 25544, 26780, 31930, 38440, 41509, 49972, 53560, 62465, 63860, 83018, 98983, 99944, 124930, 127720, 166036, 197966, 207545, 249860, 332072, 395932, 415090, 494915, 499720, 791864, 830180, 989830, 1286779, 1660360, 1979660, 2573558, 3959320, 5147116, 6433895, 10294232, 12867790, 25735580, 51471160]

約数ペア:

[(1, 51471160), (2, 25735580), (4, 12867790), (5, 10294232), (8, 6433895), (10, 5147116), (13, 3959320), (20, 2573558), (26, 1979660), (31, 1660360), (40, 1286779), (52, 989830), (62, 830180), (65, 791864), (103, 499720), (104, 494915), (124, 415090), (130, 395932), (155, 332072), (206, 249860), (248, 207545), (260, 197966), (310, 166036), (403, 127720), (412, 124930), (515, 99944), (520, 98983), (620, 83018), (806, 63860), (824, 62465), (961, 53560), (1030, 49972), (1240, 41509), (1339, 38440), (1612, 31930), (1922, 26780), (2015, 25544), (2060, 24986), (2678, 19220), (3193, 16120), (3224, 15965), (3844, 13390), (4030, 12772), (4120, 12493), (4805, 10712), (5356, 9610), (6386, 8060), (6695, 7688)]