55249720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 132048000

約数和(自身を除く): 76798280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 523, 556, 695, 760, 1046, 1112, 1390, 2092, 2615, 2641, 2780, 4184, 5230, 5282, 5560, 9937, 10460, 10564, 13205, 19874, 20920, 21128, 26410, 39748, 49685, 52820, 72697, 79496, 99370, 105640, 145394, 198740, 290788, 363485, 397480, 581576, 726970, 1381243, 1453940, 2762486, 2907880, 5524972, 6906215, 11049944, 13812430, 27624860, 55249720]

約数ペア:

[(1, 55249720), (2, 27624860), (4, 13812430), (5, 11049944), (8, 6906215), (10, 5524972), (19, 2907880), (20, 2762486), (38, 1453940), (40, 1381243), (76, 726970), (95, 581576), (139, 397480), (152, 363485), (190, 290788), (278, 198740), (380, 145394), (523, 105640), (556, 99370), (695, 79496), (760, 72697), (1046, 52820), (1112, 49685), (1390, 39748), (2092, 26410), (2615, 21128), (2641, 20920), (2780, 19874), (4184, 13205), (5230, 10564), (5282, 10460), (5560, 9937)]