25810520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13729}}^1$

素因数の和:13787

約数の個数: 32

約数和(自身を含む): 59313600

約数和(自身を除く): 33503080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 13729, 27458, 54916, 68645, 109832, 137290, 274580, 549160, 645263, 1290526, 2581052, 3226315, 5162104, 6452630, 12905260, 25810520]

約数ペア:

[(1, 25810520), (2, 12905260), (4, 6452630), (5, 5162104), (8, 3226315), (10, 2581052), (20, 1290526), (40, 645263), (47, 549160), (94, 274580), (188, 137290), (235, 109832), (376, 68645), (470, 54916), (940, 27458), (1880, 13729)]