80244476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{3967}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 151656960

約数和(自身を除く): 71412484

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 3967, 5057, 7934, 10114, 15868, 20228, 51571, 103142, 206284, 1543163, 3086326, 6172652, 20061119, 40122238, 80244476]

約数ペア:

[(1, 80244476), (2, 40122238), (4, 20061119), (13, 6172652), (26, 3086326), (52, 1543163), (389, 206284), (778, 103142), (1556, 51571), (3967, 20228), (5057, 15868), (7934, 10114)]