2085955880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{2897}}^1$

素因数の和:3338

約数の個数: 64

約数和(自身を含む): 4807434240

約数和(自身を除く): 2721478360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 383, 470, 766, 940, 1532, 1880, 1915, 2897, 3064, 3830, 5794, 7660, 11588, 14485, 15320, 18001, 23176, 28970, 36002, 57940, 72004, 90005, 115880, 136159, 144008, 180010, 272318, 360020, 544636, 680795, 720040, 1089272, 1109551, 1361590, 2219102, 2723180, 4438204, 5446360, 5547755, 8876408, 11095510, 22191020, 44382040, 52148897, 104297794, 208595588, 260744485, 417191176, 521488970, 1042977940, 2085955880]

約数ペア:

[(1, 2085955880), (2, 1042977940), (4, 521488970), (5, 417191176), (8, 260744485), (10, 208595588), (20, 104297794), (40, 52148897), (47, 44382040), (94, 22191020), (188, 11095510), (235, 8876408), (376, 5547755), (383, 5446360), (470, 4438204), (766, 2723180), (940, 2219102), (1532, 1361590), (1880, 1109551), (1915, 1089272), (2897, 720040), (3064, 680795), (3830, 544636), (5794, 360020), (7660, 272318), (11588, 180010), (14485, 144008), (15320, 136159), (18001, 115880), (23176, 90005), (28970, 72004), (36002, 57940)]