25072115

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 32668080

約数和(自身を除く): 7595965

約数列:

[1, 5, 19, 41, 95, 157, 205, 779, 785, 1681, 2983, 3895, 6437, 8405, 14915, 31939, 32185, 122303, 159695, 263917, 611515, 1319585, 5014423, 25072115]

約数ペア:

[(1, 25072115), (5, 5014423), (19, 1319585), (41, 611515), (95, 263917), (157, 159695), (205, 122303), (779, 32185), (785, 31939), (1681, 14915), (2983, 8405), (3895, 6437)]