196361840

素因数分解:

$2^4\times 5^1\times {\mathrm{2454523}}^1$

素因数の和:2454536

約数の個数: 20

約数和(自身を含む): 456541464

約数和(自身を除く): 260179624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2454523, 4909046, 9818092, 12272615, 19636184, 24545230, 39272368, 49090460, 98180920, 196361840]

約数ペア:

[(1, 196361840), (2, 98180920), (4, 49090460), (5, 39272368), (8, 24545230), (10, 19636184), (16, 12272615), (20, 9818092), (40, 4909046), (80, 2454523)]