3997993840

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{67261}}^1$

素因数の和:68017

約数の個数: 40

約数和(自身を含む): 9307984608

約数和(自身を除く): 5309990768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1486, 2972, 3715, 5944, 7430, 11888, 14860, 29720, 59440, 67261, 134522, 269044, 336305, 538088, 672610, 1076176, 1345220, 2690440, 5380880, 49974923, 99949846, 199899692, 249874615, 399799384, 499749230, 799598768, 999498460, 1998996920, 3997993840]

約数ペア:

[(1, 3997993840), (2, 1998996920), (4, 999498460), (5, 799598768), (8, 499749230), (10, 399799384), (16, 249874615), (20, 199899692), (40, 99949846), (80, 49974923), (743, 5380880), (1486, 2690440), (2972, 1345220), (3715, 1076176), (5944, 672610), (7430, 538088), (11888, 336305), (14860, 269044), (29720, 134522), (59440, 67261)]