155111680

素因数分解:

$2^8\times 5^1\times {\mathrm{121181}}^1$

素因数の和:121202

約数の個数: 36

約数和(自身を含む): 371544012

約数和(自身を除く): 216432332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 121181, 242362, 484724, 605905, 969448, 1211810, 1938896, 2423620, 3877792, 4847240, 7755584, 9694480, 15511168, 19388960, 31022336, 38777920, 77555840, 155111680]

約数ペア:

[(1, 155111680), (2, 77555840), (4, 38777920), (5, 31022336), (8, 19388960), (10, 15511168), (16, 9694480), (20, 7755584), (32, 4847240), (40, 3877792), (64, 2423620), (80, 1938896), (128, 1211810), (160, 969448), (256, 605905), (320, 484724), (640, 242362), (1280, 121181)]