205364480

素因数分解:

$2^8\times 5^1\times {\mathrm{160441}}^1$

素因数の和:160462

約数の個数: 36

約数和(自身を含む): 491915172

約数和(自身を除く): 286550692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 160441, 320882, 641764, 802205, 1283528, 1604410, 2567056, 3208820, 5134112, 6417640, 10268224, 12835280, 20536448, 25670560, 41072896, 51341120, 102682240, 205364480]

約数ペア:

[(1, 205364480), (2, 102682240), (4, 51341120), (5, 41072896), (8, 25670560), (10, 20536448), (16, 12835280), (20, 10268224), (32, 6417640), (40, 5134112), (64, 3208820), (80, 2567056), (128, 1604410), (160, 1283528), (256, 802205), (320, 641764), (640, 320882), (1280, 160441)]