25902660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61673}}^1$

素因数の和:61692

約数の個数: 48

約数和(自身を含む): 82889856

約数和(自身を除く): 56987196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61673, 123346, 185019, 246692, 308365, 370038, 431711, 616730, 740076, 863422, 925095, 1233460, 1295133, 1726844, 1850190, 2158555, 2590266, 3700380, 4317110, 5180532, 6475665, 8634220, 12951330, 25902660]

約数ペア:

[(1, 25902660), (2, 12951330), (3, 8634220), (4, 6475665), (5, 5180532), (6, 4317110), (7, 3700380), (10, 2590266), (12, 2158555), (14, 1850190), (15, 1726844), (20, 1295133), (21, 1233460), (28, 925095), (30, 863422), (35, 740076), (42, 616730), (60, 431711), (70, 370038), (84, 308365), (105, 246692), (140, 185019), (210, 123346), (420, 61673)]