78675920

素因数分解:

$2^4\times 5^1\times {\mathrm{983449}}^1$

素因数の和:983462

約数の個数: 20

約数和(自身を含む): 182921700

約数和(自身を除く): 104245780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983449, 1966898, 3933796, 4917245, 7867592, 9834490, 15735184, 19668980, 39337960, 78675920]

約数ペア:

[(1, 78675920), (2, 39337960), (4, 19668980), (5, 15735184), (8, 9834490), (10, 7867592), (16, 4917245), (20, 3933796), (40, 1966898), (80, 983449)]