25720576

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 60698624

約数和(自身を除く): 34978048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 463, 496, 868, 896, 926, 992, 1736, 1792, 1852, 1984, 3241, 3472, 3704, 3968, 6482, 6944, 7408, 7936, 12964, 13888, 14353, 14816, 25928, 27776, 28706, 29632, 51856, 55552, 57412, 59264, 100471, 103712, 114824, 118528, 200942, 207424, 229648, 401884, 414848, 459296, 803768, 829696, 918592, 1607536, 1837184, 3215072, 3674368, 6430144, 12860288, 25720576]

約数ペア:

[(1, 25720576), (2, 12860288), (4, 6430144), (7, 3674368), (8, 3215072), (14, 1837184), (16, 1607536), (28, 918592), (31, 829696), (32, 803768), (56, 459296), (62, 414848), (64, 401884), (112, 229648), (124, 207424), (128, 200942), (217, 118528), (224, 114824), (248, 103712), (256, 100471), (434, 59264), (448, 57412), (463, 55552), (496, 51856), (868, 29632), (896, 28706), (926, 27776), (992, 25928), (1736, 14816), (1792, 14353), (1852, 13888), (1984, 12964), (3241, 7936), (3472, 7408), (3704, 6944), (3968, 6482)]