12696560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8353}}^1$

素因数の和:8385

約数の個数: 40

約数和(自身を含む): 31076880

約数和(自身を除く): 18380320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8353, 16706, 33412, 41765, 66824, 83530, 133648, 158707, 167060, 317414, 334120, 634828, 668240, 793535, 1269656, 1587070, 2539312, 3174140, 6348280, 12696560]

約数ペア:

[(1, 12696560), (2, 6348280), (4, 3174140), (5, 2539312), (8, 1587070), (10, 1269656), (16, 793535), (19, 668240), (20, 634828), (38, 334120), (40, 317414), (76, 167060), (80, 158707), (95, 133648), (152, 83530), (190, 66824), (304, 41765), (380, 33412), (760, 16706), (1520, 8353)]