31608920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16127}}^1$

素因数の和:16152

約数の個数: 48

約数和(自身を含む): 82736640

約数和(自身を除く): 51127720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16127, 32254, 64508, 80635, 112889, 129016, 161270, 225778, 322540, 451556, 564445, 645080, 790223, 903112, 1128890, 1580446, 2257780, 3160892, 3951115, 4515560, 6321784, 7902230, 15804460, 31608920]

約数ペア:

[(1, 31608920), (2, 15804460), (4, 7902230), (5, 6321784), (7, 4515560), (8, 3951115), (10, 3160892), (14, 2257780), (20, 1580446), (28, 1128890), (35, 903112), (40, 790223), (49, 645080), (56, 564445), (70, 451556), (98, 322540), (140, 225778), (196, 161270), (245, 129016), (280, 112889), (392, 80635), (490, 64508), (980, 32254), (1960, 16127)]