8120203085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{15643}}^1$

素因数の和:15893

約数の個数: 32

約数和(自身を含む): 10705001472

約数和(自身を除く): 2584798387

約数列:

[1, 5, 17, 31, 85, 155, 197, 527, 985, 2635, 3349, 6107, 15643, 16745, 30535, 78215, 103819, 265931, 484933, 519095, 1329655, 2424665, 3081671, 8243861, 15408355, 41219305, 52388407, 95531801, 261942035, 477659005, 1624040617, 8120203085]

約数ペア:

[(1, 8120203085), (5, 1624040617), (17, 477659005), (31, 261942035), (85, 95531801), (155, 52388407), (197, 41219305), (527, 15408355), (985, 8243861), (2635, 3081671), (3349, 2424665), (6107, 1329655), (15643, 519095), (16745, 484933), (30535, 265931), (78215, 103819)]