31327760

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2029}}^1$

素因数の和:2235

約数の個数: 40

約数和(自身を含む): 73250520

約数和(自身を除く): 41922760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 2029, 3088, 3860, 4058, 7720, 8116, 10145, 15440, 16232, 20290, 32464, 40580, 81160, 162320, 391597, 783194, 1566388, 1957985, 3132776, 3915970, 6265552, 7831940, 15663880, 31327760]

約数ペア:

[(1, 31327760), (2, 15663880), (4, 7831940), (5, 6265552), (8, 3915970), (10, 3132776), (16, 1957985), (20, 1566388), (40, 783194), (80, 391597), (193, 162320), (386, 81160), (772, 40580), (965, 32464), (1544, 20290), (1930, 16232), (2029, 15440), (3088, 10145), (3860, 8116), (4058, 7720)]