38664920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19727}}^1$

素因数の和:19752

約数の個数: 48

約数和(自身を含む): 101204640

約数和(自身を除く): 62539720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19727, 39454, 78908, 98635, 138089, 157816, 197270, 276178, 394540, 552356, 690445, 789080, 966623, 1104712, 1380890, 1933246, 2761780, 3866492, 4833115, 5523560, 7732984, 9666230, 19332460, 38664920]

約数ペア:

[(1, 38664920), (2, 19332460), (4, 9666230), (5, 7732984), (7, 5523560), (8, 4833115), (10, 3866492), (14, 2761780), (20, 1933246), (28, 1380890), (35, 1104712), (40, 966623), (49, 789080), (56, 690445), (70, 552356), (98, 394540), (140, 276178), (196, 197270), (245, 157816), (280, 138089), (392, 98635), (490, 78908), (980, 39454), (1960, 19727)]