201955840

素因数分解:

$2^9\times 5^1\times {\mathrm{78889}}^1$

素因数の和:78912

約数の個数: 40

約数和(自身を含む): 484226820

約数和(自身を除く): 282270980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 78889, 157778, 315556, 394445, 631112, 788890, 1262224, 1577780, 2524448, 3155560, 5048896, 6311120, 10097792, 12622240, 20195584, 25244480, 40391168, 50488960, 100977920, 201955840]

約数ペア:

[(1, 201955840), (2, 100977920), (4, 50488960), (5, 40391168), (8, 25244480), (10, 20195584), (16, 12622240), (20, 10097792), (32, 6311120), (40, 5048896), (64, 3155560), (80, 2524448), (128, 1577780), (160, 1262224), (256, 788890), (320, 631112), (512, 394445), (640, 315556), (1280, 157778), (2560, 78889)]