80537320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42839}}^1$

素因数の和:42897

約数の個数: 32

約数和(自身を含む): 185068800

約数和(自身を除く): 104531480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42839, 85678, 171356, 214195, 342712, 428390, 856780, 1713560, 2013433, 4026866, 8053732, 10067165, 16107464, 20134330, 40268660, 80537320]

約数ペア:

[(1, 80537320), (2, 40268660), (4, 20134330), (5, 16107464), (8, 10067165), (10, 8053732), (20, 4026866), (40, 2013433), (47, 1713560), (94, 856780), (188, 428390), (235, 342712), (376, 214195), (470, 171356), (940, 85678), (1880, 42839)]