25013380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 35305340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 479, 746, 958, 1492, 1865, 1916, 2395, 2611, 3353, 3730, 4790, 5222, 6706, 7460, 9580, 10444, 13055, 13412, 16765, 26110, 33530, 52220, 67060, 178667, 357334, 714668, 893335, 1250669, 1786670, 2501338, 3573340, 5002676, 6253345, 12506690, 25013380]

約数ペア:

[(1, 25013380), (2, 12506690), (4, 6253345), (5, 5002676), (7, 3573340), (10, 2501338), (14, 1786670), (20, 1250669), (28, 893335), (35, 714668), (70, 357334), (140, 178667), (373, 67060), (479, 52220), (746, 33530), (958, 26110), (1492, 16765), (1865, 13412), (1916, 13055), (2395, 10444), (2611, 9580), (3353, 7460), (3730, 6706), (4790, 5222)]