280459840

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8191}}^1$

素因数の和:8315

約数の個数: 56

約数和(自身を含む): 674168832

約数和(自身を除く): 393708992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 6848, 8191, 8560, 16382, 17120, 32764, 34240, 40955, 65528, 81910, 131056, 163820, 262112, 327640, 524224, 655280, 876437, 1310560, 1752874, 2621120, 3505748, 4382185, 7011496, 8764370, 14022992, 17528740, 28045984, 35057480, 56091968, 70114960, 140229920, 280459840]

約数ペア:

[(1, 280459840), (2, 140229920), (4, 70114960), (5, 56091968), (8, 35057480), (10, 28045984), (16, 17528740), (20, 14022992), (32, 8764370), (40, 7011496), (64, 4382185), (80, 3505748), (107, 2621120), (160, 1752874), (214, 1310560), (320, 876437), (428, 655280), (535, 524224), (856, 327640), (1070, 262112), (1712, 163820), (2140, 131056), (3424, 81910), (4280, 65528), (6848, 40955), (8191, 34240), (8560, 32764), (16382, 17120)]