71317280

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1657}}^1$

素因数の和:1941

約数の個数: 48

約数和(自身を含む): 169215480

約数和(自身を除く): 97898200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 1657, 2152, 2690, 3314, 4304, 5380, 6628, 8285, 8608, 10760, 13256, 16570, 21520, 26512, 33140, 43040, 53024, 66280, 132560, 265120, 445733, 891466, 1782932, 2228665, 3565864, 4457330, 7131728, 8914660, 14263456, 17829320, 35658640, 71317280]

約数ペア:

[(1, 71317280), (2, 35658640), (4, 17829320), (5, 14263456), (8, 8914660), (10, 7131728), (16, 4457330), (20, 3565864), (32, 2228665), (40, 1782932), (80, 891466), (160, 445733), (269, 265120), (538, 132560), (1076, 66280), (1345, 53024), (1657, 43040), (2152, 33140), (2690, 26512), (3314, 21520), (4304, 16570), (5380, 13256), (6628, 10760), (8285, 8608)]