80039985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 135303168

約数和(自身を除く): 55263183

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 4003, 6665, 12009, 19995, 20015, 60045, 124093, 172129, 372279, 516387, 620465, 860645, 1861395, 2581935, 5335999, 16007997, 26679995, 80039985]

約数ペア:

[(1, 80039985), (3, 26679995), (5, 16007997), (15, 5335999), (31, 2581935), (43, 1861395), (93, 860645), (129, 620465), (155, 516387), (215, 372279), (465, 172129), (645, 124093), (1333, 60045), (3999, 20015), (4003, 19995), (6665, 12009)]