85787660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32251}}^1$

素因数の和:32286

約数の個数: 48

約数和(自身を含む): 216733440

約数和(自身を除く): 130945780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32251, 64502, 129004, 161255, 225757, 322510, 451514, 612769, 645020, 903028, 1128785, 1225538, 2257570, 2451076, 3063845, 4289383, 4515140, 6127690, 8578766, 12255380, 17157532, 21446915, 42893830, 85787660]

約数ペア:

[(1, 85787660), (2, 42893830), (4, 21446915), (5, 17157532), (7, 12255380), (10, 8578766), (14, 6127690), (19, 4515140), (20, 4289383), (28, 3063845), (35, 2451076), (38, 2257570), (70, 1225538), (76, 1128785), (95, 903028), (133, 645020), (140, 612769), (190, 451514), (266, 322510), (380, 225757), (532, 161255), (665, 129004), (1330, 64502), (2660, 32251)]