78067390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^2$

素因数の和:1308

約数の個数: 24

約数和(自身を含む): 148148280

約数和(自身を除く): 70080890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 641, 1282, 3205, 6410, 12179, 24358, 60895, 121790, 410881, 821762, 2054405, 4108810, 7806739, 15613478, 39033695, 78067390]

約数ペア:

[(1, 78067390), (2, 39033695), (5, 15613478), (10, 7806739), (19, 4108810), (38, 2054405), (95, 821762), (190, 410881), (641, 121790), (1282, 60895), (3205, 24358), (6410, 12179)]