80873690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6353}}^1$

素因数の和:6446

約数の個数: 32

約数和(自身を含む): 155545920

約数和(自身を除く): 74672230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6353, 6365, 12706, 12730, 31765, 63530, 120707, 241414, 425651, 603535, 851302, 1207070, 2128255, 4256510, 8087369, 16174738, 40436845, 80873690]

約数ペア:

[(1, 80873690), (2, 40436845), (5, 16174738), (10, 8087369), (19, 4256510), (38, 2128255), (67, 1207070), (95, 851302), (134, 603535), (190, 425651), (335, 241414), (670, 120707), (1273, 63530), (2546, 31765), (6353, 12730), (6365, 12706)]