80801984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{66449}}^1$

素因数の和:66480

約数の個数: 28

約数和(自身を含む): 168783000

約数和(自身を除く): 87981016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 66449, 132898, 265796, 531592, 1063184, 1262531, 2126368, 2525062, 4252736, 5050124, 10100248, 20200496, 40400992, 80801984]

約数ペア:

[(1, 80801984), (2, 40400992), (4, 20200496), (8, 10100248), (16, 5050124), (19, 4252736), (32, 2525062), (38, 2126368), (64, 1262531), (76, 1063184), (152, 531592), (304, 265796), (608, 132898), (1216, 66449)]