63998800

素因数分解:

$2^4\times 5^2\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1040

約数の個数: 60

約数和(自身を含む): 154740220

約数和(自身を除く): 90741420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 193, 200, 386, 400, 772, 829, 965, 1544, 1658, 1930, 3088, 3316, 3860, 4145, 4825, 6632, 7720, 8290, 9650, 13264, 15440, 16580, 19300, 20725, 33160, 38600, 41450, 66320, 77200, 82900, 159997, 165800, 319994, 331600, 639988, 799985, 1279976, 1599970, 2559952, 3199940, 3999925, 6399880, 7999850, 12799760, 15999700, 31999400, 63998800]

約数ペア:

[(1, 63998800), (2, 31999400), (4, 15999700), (5, 12799760), (8, 7999850), (10, 6399880), (16, 3999925), (20, 3199940), (25, 2559952), (40, 1599970), (50, 1279976), (80, 799985), (100, 639988), (193, 331600), (200, 319994), (386, 165800), (400, 159997), (772, 82900), (829, 77200), (965, 66320), (1544, 41450), (1658, 38600), (1930, 33160), (3088, 20725), (3316, 19300), (3860, 16580), (4145, 15440), (4825, 13264), (6632, 9650), (7720, 8290)]