78091240

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1879}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 175968000

約数和(自身を除く): 97876760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1879, 2078, 3758, 4156, 5195, 7516, 8312, 9395, 10390, 15032, 18790, 20780, 37580, 41560, 75160, 1952281, 3904562, 7809124, 9761405, 15618248, 19522810, 39045620, 78091240]

約数ペア:

[(1, 78091240), (2, 39045620), (4, 19522810), (5, 15618248), (8, 9761405), (10, 7809124), (20, 3904562), (40, 1952281), (1039, 75160), (1879, 41560), (2078, 37580), (3758, 20780), (4156, 18790), (5195, 15032), (7516, 10390), (8312, 9395)]