12626260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 15597740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 223, 298, 380, 446, 596, 745, 892, 1115, 1490, 2230, 2831, 2980, 4237, 4460, 5662, 8474, 11324, 14155, 16948, 21185, 28310, 33227, 42370, 56620, 66454, 84740, 132908, 166135, 332270, 631313, 664540, 1262626, 2525252, 3156565, 6313130, 12626260]

約数ペア:

[(1, 12626260), (2, 6313130), (4, 3156565), (5, 2525252), (10, 1262626), (19, 664540), (20, 631313), (38, 332270), (76, 166135), (95, 132908), (149, 84740), (190, 66454), (223, 56620), (298, 42370), (380, 33227), (446, 28310), (596, 21185), (745, 16948), (892, 14155), (1115, 11324), (1490, 8474), (2230, 5662), (2831, 4460), (2980, 4237)]