25688740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2383}}^1$

素因数の和:2417

約数の個数: 72

約数和(自身を含む): 68487552

約数和(自身を除く): 42798812

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2383, 2695, 4766, 5390, 9532, 10780, 11915, 16681, 23830, 26213, 33362, 47660, 52426, 66724, 83405, 104852, 116767, 131065, 166810, 183491, 233534, 262130, 333620, 366982, 467068, 524260, 583835, 733964, 917455, 1167670, 1284437, 1834910, 2335340, 2568874, 3669820, 5137748, 6422185, 12844370, 25688740]

約数ペア:

[(1, 25688740), (2, 12844370), (4, 6422185), (5, 5137748), (7, 3669820), (10, 2568874), (11, 2335340), (14, 1834910), (20, 1284437), (22, 1167670), (28, 917455), (35, 733964), (44, 583835), (49, 524260), (55, 467068), (70, 366982), (77, 333620), (98, 262130), (110, 233534), (140, 183491), (154, 166810), (196, 131065), (220, 116767), (245, 104852), (308, 83405), (385, 66724), (490, 52426), (539, 47660), (770, 33362), (980, 26213), (1078, 23830), (1540, 16681), (2156, 11915), (2383, 10780), (2695, 9532), (4766, 5390)]