25312180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 56952000

約数和(自身を除く): 31639820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1129, 1180, 2242, 2258, 4484, 4516, 5605, 5645, 11210, 11290, 21451, 22420, 22580, 42902, 66611, 85804, 107255, 133222, 214510, 266444, 333055, 429020, 666110, 1265609, 1332220, 2531218, 5062436, 6328045, 12656090, 25312180]

約数ペア:

[(1, 25312180), (2, 12656090), (4, 6328045), (5, 5062436), (10, 2531218), (19, 1332220), (20, 1265609), (38, 666110), (59, 429020), (76, 333055), (95, 266444), (118, 214510), (190, 133222), (236, 107255), (295, 85804), (380, 66611), (590, 42902), (1121, 22580), (1129, 22420), (1180, 21451), (2242, 11290), (2258, 11210), (4484, 5645), (4516, 5605)]