20145331040

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{402263}}^1$

素因数の和:402591

約数の個数: 48

約数和(自身を含む): 47745518688

約数和(自身を除く): 27600187648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 10016, 12520, 25040, 50080, 402263, 804526, 1609052, 2011315, 3218104, 4022630, 6436208, 8045260, 12872416, 16090520, 32181040, 64362080, 125908319, 251816638, 503633276, 629541595, 1007266552, 1259083190, 2014533104, 2518166380, 4029066208, 5036332760, 10072665520, 20145331040]

約数ペア:

[(1, 20145331040), (2, 10072665520), (4, 5036332760), (5, 4029066208), (8, 2518166380), (10, 2014533104), (16, 1259083190), (20, 1007266552), (32, 629541595), (40, 503633276), (80, 251816638), (160, 125908319), (313, 64362080), (626, 32181040), (1252, 16090520), (1565, 12872416), (2504, 8045260), (3130, 6436208), (5008, 4022630), (6260, 3218104), (10016, 2011315), (12520, 1609052), (25040, 804526), (50080, 402263)]