25085260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 29689460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 311, 370, 436, 545, 622, 740, 1090, 1244, 1555, 2180, 3110, 4033, 6220, 8066, 11507, 16132, 20165, 23014, 33899, 40330, 46028, 57535, 67798, 80660, 115070, 135596, 169495, 230140, 338990, 677980, 1254263, 2508526, 5017052, 6271315, 12542630, 25085260]

約数ペア:

[(1, 25085260), (2, 12542630), (4, 6271315), (5, 5017052), (10, 2508526), (20, 1254263), (37, 677980), (74, 338990), (109, 230140), (148, 169495), (185, 135596), (218, 115070), (311, 80660), (370, 67798), (436, 57535), (545, 46028), (622, 40330), (740, 33899), (1090, 23014), (1244, 20165), (1555, 16132), (2180, 11507), (3110, 8066), (4033, 6220)]