25252640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3250

約数の個数: 72

約数和(自身を含む): 69421212

約数和(自身を除く): 44168572

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3221, 3920, 6442, 7840, 12884, 16105, 22547, 25768, 32210, 45094, 51536, 64420, 90188, 103072, 112735, 128840, 157829, 180376, 225470, 257680, 315658, 360752, 450940, 515360, 631316, 721504, 789145, 901880, 1262632, 1578290, 1803760, 2525264, 3156580, 3607520, 5050528, 6313160, 12626320, 25252640]

約数ペア:

[(1, 25252640), (2, 12626320), (4, 6313160), (5, 5050528), (7, 3607520), (8, 3156580), (10, 2525264), (14, 1803760), (16, 1578290), (20, 1262632), (28, 901880), (32, 789145), (35, 721504), (40, 631316), (49, 515360), (56, 450940), (70, 360752), (80, 315658), (98, 257680), (112, 225470), (140, 180376), (160, 157829), (196, 128840), (224, 112735), (245, 103072), (280, 90188), (392, 64420), (490, 51536), (560, 45094), (784, 32210), (980, 25768), (1120, 22547), (1568, 16105), (1960, 12884), (3221, 7840), (3920, 6442)]