12375880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 30619260

約数和(自身を除く): 18243380

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2557, 4840, 5114, 10228, 12785, 20456, 25570, 28127, 51140, 56254, 102280, 112508, 140635, 225016, 281270, 309397, 562540, 618794, 1125080, 1237588, 1546985, 2475176, 3093970, 6187940, 12375880]

約数ペア:

[(1, 12375880), (2, 6187940), (4, 3093970), (5, 2475176), (8, 1546985), (10, 1237588), (11, 1125080), (20, 618794), (22, 562540), (40, 309397), (44, 281270), (55, 225016), (88, 140635), (110, 112508), (121, 102280), (220, 56254), (242, 51140), (440, 28127), (484, 25570), (605, 20456), (968, 12785), (1210, 10228), (2420, 5114), (2557, 4840)]