25172260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 29824220

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 439, 470, 610, 878, 940, 1220, 1756, 2195, 2867, 4390, 5734, 8780, 11468, 14335, 20633, 26779, 28670, 41266, 53558, 57340, 82532, 103165, 107116, 133895, 206330, 267790, 412660, 535580, 1258613, 2517226, 5034452, 6293065, 12586130, 25172260]

約数ペア:

[(1, 25172260), (2, 12586130), (4, 6293065), (5, 5034452), (10, 2517226), (20, 1258613), (47, 535580), (61, 412660), (94, 267790), (122, 206330), (188, 133895), (235, 107116), (244, 103165), (305, 82532), (439, 57340), (470, 53558), (610, 41266), (878, 28670), (940, 26779), (1220, 20633), (1756, 14335), (2195, 11468), (2867, 8780), (4390, 5734)]