26628560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6793}}^1$

素因数の和:6820

約数の個数: 60

約数和(自身を含む): 72029988

約数和(自身を除く): 45401428

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6793, 13586, 27172, 33965, 47551, 54344, 67930, 95102, 108688, 135860, 190204, 237755, 271720, 332857, 380408, 475510, 543440, 665714, 760816, 951020, 1331428, 1664285, 1902040, 2662856, 3328570, 3804080, 5325712, 6657140, 13314280, 26628560]

約数ペア:

[(1, 26628560), (2, 13314280), (4, 6657140), (5, 5325712), (7, 3804080), (8, 3328570), (10, 2662856), (14, 1902040), (16, 1664285), (20, 1331428), (28, 951020), (35, 760816), (40, 665714), (49, 543440), (56, 475510), (70, 380408), (80, 332857), (98, 271720), (112, 237755), (140, 190204), (196, 135860), (245, 108688), (280, 95102), (392, 67930), (490, 54344), (560, 47551), (784, 33965), (980, 27172), (1960, 13586), (3920, 6793)]