65645120

素因数分解:

$2^6\times 5^1\times {\mathrm{205141}}^1$

素因数の和:205158

約数の個数: 28

約数和(自身を含む): 156318204

約数和(自身を除く): 90673084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205141, 410282, 820564, 1025705, 1641128, 2051410, 3282256, 4102820, 6564512, 8205640, 13129024, 16411280, 32822560, 65645120]

約数ペア:

[(1, 65645120), (2, 32822560), (4, 16411280), (5, 13129024), (8, 8205640), (10, 6564512), (16, 4102820), (20, 3282256), (32, 2051410), (40, 1641128), (64, 1025705), (80, 820564), (160, 410282), (320, 205141)]