161760920

素因数分解:

$2^3\times 5^1\times {\mathrm{4044023}}^1$

素因数の和:4044034

約数の個数: 16

約数和(自身を含む): 363962160

約数和(自身を除く): 202201240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4044023, 8088046, 16176092, 20220115, 32352184, 40440230, 80880460, 161760920]

約数ペア:

[(1, 161760920), (2, 80880460), (4, 40440230), (5, 32352184), (8, 20220115), (10, 16176092), (20, 8088046), (40, 4044023)]