71969960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41843}}^1$

素因数の和:41897

約数の個数: 32

約数和(自身を含む): 165702240

約数和(自身を除く): 93732280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41843, 83686, 167372, 209215, 334744, 418430, 836860, 1673720, 1799249, 3598498, 7196996, 8996245, 14393992, 17992490, 35984980, 71969960]

約数ペア:

[(1, 71969960), (2, 35984980), (4, 17992490), (5, 14393992), (8, 8996245), (10, 7196996), (20, 3598498), (40, 1799249), (43, 1673720), (86, 836860), (172, 418430), (215, 334744), (344, 209215), (430, 167372), (860, 83686), (1720, 41843)]