65777660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8214

約数の個数: 48

約数和(自身を含む): 153576192

約数和(自身を除く): 87798532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8161, 16322, 32644, 40805, 81610, 106093, 163220, 212186, 252991, 424372, 505982, 530465, 1011964, 1060930, 1264955, 2121860, 2529910, 3288883, 5059820, 6577766, 13155532, 16444415, 32888830, 65777660]

約数ペア:

[(1, 65777660), (2, 32888830), (4, 16444415), (5, 13155532), (10, 6577766), (13, 5059820), (20, 3288883), (26, 2529910), (31, 2121860), (52, 1264955), (62, 1060930), (65, 1011964), (124, 530465), (130, 505982), (155, 424372), (260, 252991), (310, 212186), (403, 163220), (620, 106093), (806, 81610), (1612, 40805), (2015, 32644), (4030, 16322), (8060, 8161)]