25708540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 64774080

約数和(自身を除く): 39065540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 101, 110, 130, 143, 178, 202, 220, 260, 286, 356, 404, 445, 505, 572, 715, 890, 979, 1010, 1111, 1157, 1313, 1430, 1780, 1958, 2020, 2222, 2314, 2626, 2860, 3916, 4444, 4628, 4895, 5252, 5555, 5785, 6565, 8989, 9790, 11110, 11570, 12727, 13130, 14443, 17978, 19580, 22220, 23140, 25454, 26260, 28886, 35956, 44945, 50908, 57772, 63635, 72215, 89890, 98879, 116857, 127270, 144430, 179780, 197758, 233714, 254540, 288860, 395516, 467428, 494395, 584285, 988790, 1168570, 1285427, 1977580, 2337140, 2570854, 5141708, 6427135, 12854270, 25708540]

約数ペア:

[(1, 25708540), (2, 12854270), (4, 6427135), (5, 5141708), (10, 2570854), (11, 2337140), (13, 1977580), (20, 1285427), (22, 1168570), (26, 988790), (44, 584285), (52, 494395), (55, 467428), (65, 395516), (89, 288860), (101, 254540), (110, 233714), (130, 197758), (143, 179780), (178, 144430), (202, 127270), (220, 116857), (260, 98879), (286, 89890), (356, 72215), (404, 63635), (445, 57772), (505, 50908), (572, 44945), (715, 35956), (890, 28886), (979, 26260), (1010, 25454), (1111, 23140), (1157, 22220), (1313, 19580), (1430, 17978), (1780, 14443), (1958, 13130), (2020, 12727), (2222, 11570), (2314, 11110), (2626, 9790), (2860, 8989), (3916, 6565), (4444, 5785), (4628, 5555), (4895, 5252)]