31209760

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1823}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 74462976

約数和(自身を除く): 43253216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 1823, 2140, 3424, 3646, 4280, 7292, 8560, 9115, 14584, 17120, 18230, 29168, 36460, 58336, 72920, 145840, 195061, 291680, 390122, 780244, 975305, 1560488, 1950610, 3120976, 3901220, 6241952, 7802440, 15604880, 31209760]

約数ペア:

[(1, 31209760), (2, 15604880), (4, 7802440), (5, 6241952), (8, 3901220), (10, 3120976), (16, 1950610), (20, 1560488), (32, 975305), (40, 780244), (80, 390122), (107, 291680), (160, 195061), (214, 145840), (428, 72920), (535, 58336), (856, 36460), (1070, 29168), (1712, 18230), (1823, 17120), (2140, 14584), (3424, 9115), (3646, 8560), (4280, 7292)]