31639580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7793}}^1$

素因数の和:7838

約数の個数: 48

約数和(自身を含む): 78563520

約数和(自身を除く): 46923940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7793, 15586, 31172, 38965, 54551, 77930, 109102, 155860, 218204, 225997, 272755, 451994, 545510, 903988, 1091020, 1129985, 1581979, 2259970, 3163958, 4519940, 6327916, 7909895, 15819790, 31639580]

約数ペア:

[(1, 31639580), (2, 15819790), (4, 7909895), (5, 6327916), (7, 4519940), (10, 3163958), (14, 2259970), (20, 1581979), (28, 1129985), (29, 1091020), (35, 903988), (58, 545510), (70, 451994), (116, 272755), (140, 225997), (145, 218204), (203, 155860), (290, 109102), (406, 77930), (580, 54551), (812, 38965), (1015, 31172), (2030, 15586), (4060, 7793)]