42115840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 108683568

約数和(自身を除く): 66567728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2531, 3328, 4160, 5062, 8320, 10124, 12655, 16640, 20248, 25310, 32903, 40496, 50620, 65806, 80992, 101240, 131612, 161984, 164515, 202480, 263224, 323968, 329030, 404960, 526448, 647936, 658060, 809920, 1052896, 1316120, 1619840, 2105792, 2632240, 3239680, 4211584, 5264480, 8423168, 10528960, 21057920, 42115840]

約数ペア:

[(1, 42115840), (2, 21057920), (4, 10528960), (5, 8423168), (8, 5264480), (10, 4211584), (13, 3239680), (16, 2632240), (20, 2105792), (26, 1619840), (32, 1316120), (40, 1052896), (52, 809920), (64, 658060), (65, 647936), (80, 526448), (104, 404960), (128, 329030), (130, 323968), (160, 263224), (208, 202480), (256, 164515), (260, 161984), (320, 131612), (416, 101240), (520, 80992), (640, 65806), (832, 50620), (1040, 40496), (1280, 32903), (1664, 25310), (2080, 20248), (2531, 16640), (3328, 12655), (4160, 10124), (5062, 8320)]