78542960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51673}}^1$

素因数の和:51705

約数の個数: 40

約数和(自身を含む): 192227280

約数和(自身を除く): 113684320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51673, 103346, 206692, 258365, 413384, 516730, 826768, 981787, 1033460, 1963574, 2066920, 3927148, 4133840, 4908935, 7854296, 9817870, 15708592, 19635740, 39271480, 78542960]

約数ペア:

[(1, 78542960), (2, 39271480), (4, 19635740), (5, 15708592), (8, 9817870), (10, 7854296), (16, 4908935), (19, 4133840), (20, 3927148), (38, 2066920), (40, 1963574), (76, 1033460), (80, 981787), (95, 826768), (152, 516730), (190, 413384), (304, 258365), (380, 206692), (760, 103346), (1520, 51673)]