181053440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17681}}^1$

素因数の和:17708

約数の個数: 48

約数和(自身を含む): 434446740

約数和(自身を除く): 253393300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 17681, 35362, 70724, 88405, 141448, 176810, 282896, 353620, 565792, 707240, 1131584, 1414480, 2263168, 2828960, 4526336, 5657920, 9052672, 11315840, 18105344, 22631680, 36210688, 45263360, 90526720, 181053440]

約数ペア:

[(1, 181053440), (2, 90526720), (4, 45263360), (5, 36210688), (8, 22631680), (10, 18105344), (16, 11315840), (20, 9052672), (32, 5657920), (40, 4526336), (64, 2828960), (80, 2263168), (128, 1414480), (160, 1131584), (256, 707240), (320, 565792), (512, 353620), (640, 282896), (1024, 176810), (1280, 141448), (2048, 88405), (2560, 70724), (5120, 35362), (10240, 17681)]