3989524.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{761}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 27569160

約数和(自身を除く): 15362720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 761, 802, 1522, 1604, 2005, 3044, 3208, 3805, 4010, 6088, 7610, 8020, 15220, 16040, 30440, 305161, 610322, 1220644, 1525805, 2441288, 3051610, 6103220, 12206440]

約数ペア:

[(1, 12206440), (2, 6103220), (4, 3051610), (5, 2441288), (8, 1525805), (10, 1220644), (20, 610322), (40, 305161), (401, 30440), (761, 16040), (802, 15220), (1522, 8020), (1604, 7610), (2005, 6088), (3044, 4010), (3208, 3805)]