31999400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 74874300

約数和(自身を除く): 42874900

約数列:

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

約数ペア:

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