38971280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25639}}^1$

素因数の和:25671

約数の個数: 40

約数和(自身を含む): 95380800

約数和(自身を除く): 56409520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 487141, 512780, 974282, 1025560, 1948564, 2051120, 2435705, 3897128, 4871410, 7794256, 9742820, 19485640, 38971280]

約数ペア:

[(1, 38971280), (2, 19485640), (4, 9742820), (5, 7794256), (8, 4871410), (10, 3897128), (16, 2435705), (19, 2051120), (20, 1948564), (38, 1025560), (40, 974282), (76, 512780), (80, 487141), (95, 410224), (152, 256390), (190, 205112), (304, 128195), (380, 102556), (760, 51278), (1520, 25639)]