71381120

素因数分解:

$2^7\times 5^1\times {\mathrm{111533}}^1$

素因数の和:111552

約数の個数: 32

約数和(自身を含む): 170647020

約数和(自身を除く): 99265900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111533, 223066, 446132, 557665, 892264, 1115330, 1784528, 2230660, 3569056, 4461320, 7138112, 8922640, 14276224, 17845280, 35690560, 71381120]

約数ペア:

[(1, 71381120), (2, 35690560), (4, 17845280), (5, 14276224), (8, 8922640), (10, 7138112), (16, 4461320), (20, 3569056), (32, 2230660), (40, 1784528), (64, 1115330), (80, 892264), (128, 557665), (160, 446132), (320, 223066), (640, 111533)]