78040460

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18493}}^1$

素因数の和:18713

約数の個数: 24

約数和(自身を含む): 164670576

約数和(自身を除く): 86630116

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 18493, 36986, 73972, 92465, 184930, 369860, 3902023, 7804046, 15608092, 19510115, 39020230, 78040460]

約数ペア:

[(1, 78040460), (2, 39020230), (4, 19510115), (5, 15608092), (10, 7804046), (20, 3902023), (211, 369860), (422, 184930), (844, 92465), (1055, 73972), (2110, 36986), (4220, 18493)]